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IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 1 of 29 features ? 8,388,608 word b y 8 bit organization ? single 3. 3 0.3v p o wer supply ? extended data out ? cas be f ore ras refresh - 4096 cycles/retention time ? ras only refresh - 4096 cycles/retention time ? 64ms standard p o wer (sp) retention time ? 128ms l o w p o wer (lp) retention time ? hidden refresh ? self refresh (400 m a) - lp v ersion only ? read-modify-w r ite ? p er f o r mance: ? max. p o wer dissipation (-50) - acti v e: 504mw - stand b y (sp v ersion): 2.0 ma - stand b y (lp v ersion): 0.2 ma ? p a c kage : soj-32 (400mil), tsop-32 (400mil) -50 -60 t rac ras access time 50ns 60ns t cac cas access time 13ns 15ns t aa column address access time 25ns 30ns t rc cycle time 84ns 104ns t hpc hyper page mode cycle time 20ns 25ns description the IBM0165805B/p is a dynamic ram organized 8,388,608 words by 8 bits. this device is fabricated in ibms most advanced cmos silicon gate process technology. the circuit and process design allow this dram to achieve high performance and low power dissipation. the IBM0165805B/p operates with a single 3. 3 0.3v power supply, and inter- faces directly with either ttl or cmos levels. the 23 addresses required to access any bit of data are multiplexed (12 are strobed with ras, 11 are strobed with cas). they are packaged in a 32 pin plastic soj (400mil 825mil), and a 32pin plastic tsop type ii (400mil 825mil).the ibm0165805p parts are low power devices supporting self refresh and a 128ms retention time. pin assignment s (top view) v cc i/o0 i/o1 i/o2 i/o3 nc v cc we ras a0 a1 a2 a3 a4 a5 v cc 32 v ss 31 i/o7 30 i/o6 29 i/o5 28 i/o4 27 v ss 26 cas 25 oe 24 nc 23 a11 22 a10 21 a9 20 a8 19 a7 18 a6 17 v ss 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 pin description ras row address strobe cas column address strobe we read/write input a0 - a11 address inputs oe output enable i/o0 - i/o7 data input/output v cc power (+3.3v) v ss ground IBM0165805B8m x 812/11, 3.3v, edo . ibm0165805p8m x 812/11, 3.3v, lp, sr, edo. discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 2 of 29 88h2009 ga14-4254-02 revised 11/97 o r dering in f ormation part number power self refresh power supply speed package notes IBM0165805Bj3 d-50 sp no 3.3v 50ns 400mil soj 32 1 IBM0165805Bj3 d-60 sp no 3.3v 60ns 400mil soj 32 1 IBM0165805Bt3 d-50 sp no 3.3v 50ns 400mil tsop 32 1 IBM0165805Bt3 d-60 sp no 3.3v 60ns 400mil tsop 32 1 ibm0165805pt3 d-50 lp yes 3.3v 50ns 400mil tsop 32 1 ibm0165805pt3 d-60 lp yes 3.3v 60ns 400mil tsop 32 1 1 . sp = standard power version (IBM0165805B) ; lp = low power version (ibm0165805p) blo c k diagram memory array 4096 x 2048 x 8 sense amp and i/o gate column decoder data in buffer data out buffer generator no. 2 clock counter (12) refresh generator no. 1 clock controller refresh address column buffer (11) address row buffer (12) 12 12 12 11 11 8 8 8 8 8 a1 a2 a3 a4 a5 a6 a7 a10 row decoder a8 a9 a11 4096 2048x8 cas ras we oe vcc vss & a0 i/o0 i/o1 i/o2 i/o3 i/o4 i/o5 i/o6 i/o7 discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 3 of 29 t ruth t a ble function ras cas we oe r o w address column address i/o0 - i/o7 standby h h ? x x x x x high impedance read l l h l row col. data out early-write l l l x row col. data in delayed-write l l h ? l h row col. data in read-modify-write l l h ? l l ? h row col. data out, data in edo (hyper page) mode read 1st cycle l h ? l h l row col. data out 2nd cycle l h ? l h l n/a col. data out edo (hyper page) mode write 1st cycle l h ? l l x row col. data in 2nd cycle l h ? l l x n/a col. data in edo (hyper page) mode read-modify-write 1st cycle l h ? l h ? l l ? h row col. data out, data in 2nd cycle l h ? l h ? l l ? h n/a col. data out, data in ras-only refresh l h x x row n/a high impedance cas-before- ras refresh h ? l l h x x n/a high impedance hidden refresh read l ? h ? l l h l row col. data out write l ? h ? l l l ? h x row col. data in self refresh (lp version only) h ? l l h x x x high impedance discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 4 of 29 88h2009 ga14-4254-02 revised 11/97 absolute maxi m um ratings symbol p a rameter rating units notes v cc power supply voltage -0.5 to 4.6 v 1 v in input voltage -0.5 to min (v cc +0.5, 4.6) v 1 v out output voltage -0.5 to min (v cc +0.5, 4.6) v1 t opr operating temperature 0 to +70 c 1 t stg storage temperature -55 to +150 c 1 p d power dissipation 1.0 w 1 i out short circuit output current 50 ma 1 1 . stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect reli- ability. recommended dc operating condition s (t a =0 to 70 c) symbol p a rameter min. t y p . max. units notes v cc supply voltage 3.0 3.3 3.6 v 1 v ih input high voltage 2.0 v cc + 0.3 v 1, 2 v il input low voltage -0.3 0.8 v 1, 2 1 . all voltages referenced to v ss . 2 . v ih m a y o v ershoot to v cc + 2.0v f or pulse widths o f 4.0ns with 3.3 v olt. v il m a y undershoot to -2.0v f or pulse width s 4.0ns with 3.3 v olt. pulse widths measured at 50% points with amplitude measured peak to dc re f erence capacitanc e (t a =0 to +70 c, v cc =3. 3 0.3 v , f=1mhz) symbol p a rameter min. max. units notes c i1 input capacitance (a0 - a11) 5 pf c i2 input capacitance ( ras, cas, we, oe) 7 pf c i3 data i/o capacitance (i/o0 - i/o7) 7 pf discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 5 of 29 dc electrical characteristic s (t a = 0 to +70 c, v cc = 3. 3 0.3v) symbol parameter min. max. units notes i cc1 operating current average power supply operating current ( ras, cas, address cycling: t rc = t rc min) -50 140 ma 1, 2, 3 -60 115 i cc2 standby current (ttl) power supply standby current ( ras = cas = v ih ) 2 ma i cc3 ras only refresh current average power supply current, ras only mode ( ras cycling, cas = v ih : t rc = t rc min) -50 130 ma 1, 3 -60 110 i cc4 edo mode current average power supply current, hyper page mode ( ras = v il , cas, address cycling: t pc = t pc min) -50 100 ma 1, 2, 3 -60 80 i cc5 standby current (cmos) power supply standby current ( ras = cas = v cc - 0.2v) lp version 200 m a sp version 1 m a i cc6 cas before ras refresh current average power supply current, cas before ras mode ( ras, cas, cycling: t rc = t rc min) -50 140 ma 1, 2 -60 115 i cc7 self refresh current (lp version only) average power supply current during self refresh cbr cycle with ra s 3 t rass (min); cas held low; we = v cc - 0.2v; addresses and d in = v cc - 0.2v or 0.2v. 400 m a i i(l) input leakage current input leakage current, any input (0. 0 3 v in 3 v cc ), all other pins not under test = 0v -2 +2 m a i o(l) output leakage current (d out is disabled, 0. 0 3 v out 3 v cc ) -2 +2 m a v oh output high level (ttl) output h level voltage (i out = -2ma) 2.4 v v ol output low level (ttl) output l level voltage (i out = +2ma) 0.4 v 1 . i cc1 , i cc3 , i cc4 , i cc6 depend on cycle rate. 2 . i cc1 , i cc4 depend on output loading. speci?ed v alues are obtained with the output open. 3 . column address can be changed once or less while ras =v il and cas =v ih . discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 6 of 29 88h2009 ga14-4254-02 revised 11/97 a c characteristic s (t a =0 to +70 c, v cc =3. 3 0.3v) 1 . an initial pause of 100 m s is required after power-up followed by 8 ras only refresh cycles before proper device operation is achieved. in case of using internal refresh counter, a minimum of 8 cas before ras refresh cycles instead of 8 ras only refresh cycles is required. 2 . a c measurements assume t t =2n s . 3 . v ih (min.) and v il (max.) are re f erence l e v els f or measu r ing timing of input signal s . als o , transition times are measured between v ih and v il . 4 . v alid column addresses are only a0 through a10. read, write, read-modify-write and refresh cy c l e (common p a rameters) symbol p a rameter -50 -60 units notes min. max. min. max. t rc random read or write cycle time 84 104 n s 1 t rp ras precharge time 30 4 0 ns t cp cas precharge time 8 10 n s t ras ras pulse width 50 100k 60 100k ns 1 t cas cas pulse width 8 100k 10 100k ns 1 t asr row address setup time 0 0 n s t rah row address hold time 7 10 n s t asc column address setup time 00 n s t cah column address hold time 7 10 n s t rcd ras to cas delay time 11 37 14 45 ns 2 t rad ras to col. address delay time 9 2 5 1 2 3 0 ns 3 t rsh ras hold time 8 1 0 n s t csh cas hold time 40 5 0 ns 1 t crp cas to ras precharge time 55 n s 1 t dzo oe delay time from d in 00 n s 4 t dzc cas delay time from d in 0 0 n s 4 t t transition time (rise and fall) 1 5 0 1 5 0 n s 5 1 . in a test mode read cycle, the value of t rac , t aa , t cac and t cpa are delayed by 5ns from the specified value. these parameters must be adjusted in test mode cycles by adding 5ns to the specified value. associated timings must also be adjusted by 5ns. 2 . operation within the t rcd (max.) limit ensures that t r a c (max.) can be met. t rcd (max.) is speci?ed as a re f erence point onl y . if t rcd is greater than the speci?ed t rcd (max.) limit, then access time is controlled b y t c a c . 3 . operation within the t rad (max.) limit ensures that t r a c (max.) can be met. t rad (max.) is speci?ed as a re f erence point onl y . if t rad is greater than the speci?ed t rad (max.) limit, then access time is controlled b y t aa . 4 . either t dzc or t dzo must be satis?ed. 5 . a c measurements assume t t = 2ns discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 7 of 29 write cy c le symbol p a rameter -50 -60 units notes min. max. min. max. t wcs write command set up time 0 0 n s 1 t wch write command hold time 7 10 n s t wp write command pulse width 7 10 n s t rwl write command to ras lead time 8 10 n s t cwl write command to cas lead time 8 10 n s t oed oe to d in delay time 13 1 5 n s 2 t ds d in setup time 0 0 n s 3 t dh d in hold time 7 1 0 n s 3 1 . t wcs , t rwd , t cwd , t awd and t cpwd are not restrictive operating parameters. they are included in the data sheet as electrical charac- teristics only. if t wcs 3 t wcs (min.), the cycle is an early write cycle and the data pin will remain open circuit (high impedance) through the entire cycle. if t rwd 3 t rwd (min.), t cwd 3 t cwd (min.), t awd 3 t awd (min.), and t cpwd 3 t cpwd (min.)(fast page mode), the cycle is a read-modify-write cycle and the data out will contain data read from the selected cell. if neither of the above sets of con- ditions is satisfied, the condition of the data out (at access time) is indeterminate. 2 . either t cdd or t oed m ust be satis?ed. 3 . these parameters are re f erenced to cas leading edge in ea r ly w r ite cycles and to we leading edge in read-modify-w r ite cycle s . discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 8 of 29 88h2009 ga14-4254-02 revised 11/97 read cy c le symbol p a rameter -50 -60 units notes min. max. min. max. t rac access time from ras 5 0 60 ns 1, 2, 3, 5 t cac access time from cas 1 3 15 ns 1, 2, 5 t aa access time from address 2 5 30 ns 1, 2, 5 t oea access time from oe 1 3 15 ns 1, 5 t rcs read command setup time 00 n s t rch read command hold time to c a s 00 n s 6 t rrh read command hold time to r a s 00 n s t ral column address to ras lead time 25 3 0 ns 1 t clz cas to output in low-z 00 n s 5 t oez output buffer turn-off delay from oe 0 1 3 0 15 ns 7 t cdd cas to d in delay time 13 1 5 ns 4 t off output buffer turn-off delay 0 1 3 0 15 ns 7 t oes oe setup time prior to c a s 55 ns t ord oe setup time prior to ras (hidden refresh) 00 ns 1 . in a test mode read cycle, the value of t rac , t aa , t cac and t cpa are delayed by 5ns from the specified value. these parameters must be adjusted in test mode cycles by adding 5ns to the specified value. associated timings must also be adjusted by 5ns. 2 . operation within the t rcd (max.) limit ensures that t r a c (max.) can be met. t rcd (max.) is speci?ed as a re f erence point onl y . if t rcd is greater than the speci?ed t rcd (max.) limit, then access time is controlled b y t c a c . 3 . operation within the t rad (max.) limit ensures that t r a c (max.) can be met. t rad (max.) is speci?ed as a re f erence point onl y . if t rad is greater than the speci?ed t rad (max.) limit, then access time is controlled b y t aa . 4 . either t cdd or t oed m ust be satis?ed. 5 . measured with the speci?ed current load and 100p f . 6 . either t rch or t rrh must be satis?ed f or a read cycl e . 7 . t off (max.) and t oez (max.) de?ne the time at which the output achi e v es the open circuit condition and are not re f erenced to output v oltage l e v el s . discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 9 of 29 read-modify-write cy c le symbol p a rameter -50 -60 units notes min. max. min. max. t rwc read-modify-write cycle time 109 135 n s t rwd ras to we delay time 65 7 9 ns 1 t cwd cas to we delay time 28 3 4 ns 1 t awd column address to we delay time 40 4 9 ns 1 t oeh oe command hold time 7 10 n s 1 . t wcs , t rwd , t cwd , t awd and t cpwd are not restrictive operating parameters. they are included in the data sheet as electrical charac- teristics only. if t wcs 3 t wcs (min.), the cycle is an early write cycle and the data pin will remain open circuit (high impedance) through the entire cycle. if t rwd 3 t rwd (min.), t cwd 3 t cwd (min.), t awd 3 t awd (min.), and t cpwd 3 t cpwd (min.)(fast page mode), the cycle is a read-modify-write cycle and the data out will contain data read from the selected cell. if neither of the above sets of con- ditions is satisfied, the condition of the data out (at access time) is indeterminate. extended data out (hyper p a g e) mode cy c le symbol p a rameter -50 -60 units notes min. max. min. max. t hcas cas pulse width (hyper page mode) 8 100k 10 10k ns t hpc hyper page mode cycle time (read/write) 20 2 5 ns t hprwc hyper page mode read modify write cycle time 54 6 6 ns t doh data-out hold time from cas 55 ns t whz output buffer turn-off delay from we 0 1 00 1 0 ns t wpz we pulse width to output disable at cas high 7 10 n s t cprh ras hold time from cas precharge 27 3 5 ns t cpa access time from cas precharge 2 7 35 ns 1 t rasp hyper page mode ras pulse width 50 200k 60 200k ns t oep oe high pulse width 5 10 ns t oehc oe high hold time from cas high 5 10 ns 1 . measured with the specified current load and 100pf at v ol = 0.8v and v oh = 2.0v. discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 10 of 29 88h2009 ga14-4254-02 revised 11/97 self refresh cy c l e - l o w p o wer v ersion only symbol p a rameter -50 -60 units notes min. max. min. max. t rass ras pulse width during self refresh cycle 100 100 m s 1 t rps ras precharge time during self refresh cycle 84 104 ns 1 t chs cas hold time during self refresh cycle -50 -50 n s 1 1 . when using self refresh mode, the following refresh operations must be performed to ensure prope r dram operation: if row addresses are being refreshed in a n evenl y distributed manner over the refresh interval usin g cbr refresh cycles, then only on e cbr cycle must be performed immediately after exit from self refresh. if row addresses are being refreshed in any other manner (ror- distributed/burst; o r cbr-burst) over the refresh interval, then a full set of row refreshes must be performed immediately before entry to and immediately after exit from self refresh. refresh cy c le symbol p a rameter -50 -60 units notes min. max. min. max. t csr cas setup time ( cas before ras refresh cycle) 55 n s t chr cas hold time ( cas before ras refresh cycle) 5 10 n s t wrp we setup time ( cas before ras refresh cycle) 5 10 ns t wrh we hold time ( cas before ras refresh cycle) 5 10 ns t rpc ras precharge to cas hold time 55 ns t ref refresh period sp version 6 4 64 ms 1 lp version 128 128 1 . 8192 cycles for ras only refresh; 4096 cycles for cbr refresh. discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 11 of 29 read cy c le ras v ih v il v ih v il address v ih v il we v ih v il oe v ih v il v ih v il d out v oh v ol d in row column valid data out t ras t rp t rc t cas t csh t crp t rah t asc t cah t asr t rad t rcs t dzc t clz t cac t rac hi-z hi-z t rrh : h: or l t rcd t oez hi-z t rsh t ral t dzo t aa t oea t oed t cdd cas t rch t off t oes discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 12 of 29 88h2009 ga14-4254-02 revised 11/97 write cy c le (ear l y write) t rc ras v ih v il v ih v il address v ih v il we v ih v il oe v ih v il v ih v il d out v oh v ol d in row column t ras t rp t rcd t csh t crp t rah t asc t cah t asr t rad t wcs hi-z : h or l valid data in t wch t ds t dh t cas t rsh t wp cas discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 13 of 29 write cy c le (del a yed write) ras v ih v il v ih v il address v ih v il we v ih v il oe v ih v il v ih v il d out v oh v ol d in row column t ras t rp t rc t cas t csh t crp t rah t asc t cah t asr t rad t rwl : h or l t wp t cwl valid data in hi-z hi-z t dzo t oez t clz t ds t rcd t dh t rcs * * t oeh greater than or equal to t cwl hi-z t rsh t dzc t oea t oeh t oed cas t wrp discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 14 of 29 88h2009 ga14-4254-02 revised 11/97 read-modify-write cy c le d in t oeh v ol v oh v il v ih v il v ih v il v ih v il v ih v il v ih v il v ih t rcd t rwc t ras t csh t cas t rp t rah t asc t asr t cah t cwd t rcs t oea t rwl t cwl t wp t dh t ds t dzc t cac t clz t oed t oez t rac ras address we oe d in d out hi-z hi-z d out row column : h or l * t oeh greater than or equal to t cwl * hi-z t crp t awd t aa t rwd t rsh t rad t dzo cas discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 15 of 29 edo (hyper p age) mode read cy c le t rp t hcas data out 1 data out 2 oe we ras row address column 1 column 2 column n t oea t doh t oez t clz t cac v ih v il t asr t rah t asc t asc t cah t cah t cah d out t rasp t cprh t crp t rsh t hcas t hcas t hpc t asc t csh t rad t rcs t cac t cpa t cpa t a a t aa t rac t aa hi-z : h or l t ral v ih v il v ih v il v ih v il v ih v il v oh v ol t rcd t cp t cp t rrh t rch t wp t cac data out n t off cas t oes t doh discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 16 of 29 88h2009 ga14-4254-02 revised 11/97 edo (hyper p age) mode read cy c le ( oe cont r ol) t rp data out 1 data out 2 oe we ras row address column 1 column 2 column n t oea t oez t clz t cac v ih v il t asr t rah t asc t asc t cah t ca h t cah d out t rasp t cprh t crp t rsh t hcas t hcas t hpc t asc t csh t rad t rcs t cac t cpa t cpa t a a t aa t rac t aa hi-z : h or l t ral v ih v il v ih v il v ih v il v ih v il v oh v ol t rcd t cp t cp t rrh t rch t cac data out n t off t oea t oez t oez t oea cas t oes t hcas t oes t oehc t oep t oehc t oep t oes discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 17 of 29 edo (hyper p age) mode read cy c le ( we cont r ol) t rp data out 1 data out 2 oe we ras row address column 1 column 2 column n t oea t oez t clz t cac v ih v il t asr t rah t asc t asc t ca h t ca h t cah d out t rasp t cprh t crp t rsh t hcas t hcas t hpc t asc t csh t rad t rcs t cac t cpa t cpa t a a t aa t rac t aa hi-z : h or l t ral v ih v il v ih v il v ih v il v ih v il v oh v ol t rcd t cp t cp t rrh t rch t cac data out n t off cas t oes t hcas t wpz t wpz t rch t rcs t rcs t rch t whz t whz discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 18 of 29 88h2009 ga14-4254-02 revised 11/97 edo (hyper p age) mode ear l y write cy c le t hcas t rp ras row address we column 1 column 2 column n data in 1 data in 2 data in n t asr t rah t cah t wch t dh d in t rasp t rsh t hcas t hcas t hpc t rad t asc t asc t csh t cah t asc t cah t wch t wcs t wch t wcs t wcs t ds t ds t dh t dh t ds : h or l t cwl t rwl t wp t wp t wp o e = dont care v ih v il v ih v il v ih v il v ih v il v ih v il t rcd t cp t cp t crp cas t ral discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 19 of 29 edo (hyper p age) mode late write cy c le t hcas t rp ras row address we column 1 column 2 column n oe data in 1 data in 2 data in n t asr t rah t asc t asc t asc t cah t cah t cah t cwl t wp t cwl t wp t cwl t wp t oeh t oeh t oeh t ds t dh t oed t ds t dh t oed t ds t dh d in : h or l t rasp t rsh t hcas t hcas t hpc t csh t oed hi-z v ih v il v ih v il v ih v il v ih v il v ih v il v ih v il t rcd t cp t cp t crp t rad t rcs t rcs t rcs t rwl cas t ral discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 20 of 29 88h2009 ga14-4254-02 revised 11/97 edo (hyper p age) mode read modify write cy c le address ras we oe d out d in d in d in t rp t cp t cp t asr t rad t rah t cah t asc t asc t cah t asc t cah t wp t cwl t wp t rcs t rcs t wp t cwl t rwl t cac t oeh t oeh t oeh d out d out t clz t clz t oed t oed t dh t dh t clz t oed t dh d in d out : h or l hi-z hi-z t rasp t cas t hprwc t cas t ral t awd t cwd t aa t cpa t aa t awd t cwd t rwd t awd t cwd t rcs t rac t aa t oea t oea t cac t cac t oea t oez t oez t ds t ds t ds column 1 row column 2 column n t csh t oez v ih v il v ih v il v ih v il v ih v il v ih v il v oh v ol v ih v il t rcd t cas t crp t cpa cas discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 21 of 29 ras on l y refresh cy c le ras v ih v il v ih v il address v ih v il d out v oh v ol row t ras t rp t rc t rah t asr hi-z : h or l note: we, o e and d in are h or l t rpc t crp cas discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 22 of 29 88h2009 ga14-4254-02 revised 11/97 cas be f ore ras refresh cy c le ras v ih v il v ih v il we v ih v il d in v ih v il t ras t rp t rpc t crp oe v ih v il d out v oh v ol hi-z : h or l t off t oez hi-z t oed rc t t csr t wrh t wrp note: address is h or l t cp t cdd t chr t rpc cas discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 23 of 29 hidden refresh cy c le (read) ras v ih v il v ih v il address v ih v il we v ih v il oe v ih v il v ih v il d out v oh v ol d in row column valid data out t ras t ras t rp t rc t crp t rah t asc t cah t asr t rad t rcs t dzc t oed t oez t cdd t clz t cac t rac hi-z hi-z : h or l t rp t chr rsh t rcd t t rrh t wrp t wrh t rc t dzo t ral t off cas t oea t ord t aa hi-z discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 24 of 29 88h2009 ga14-4254-02 revised 11/97 hidden refresh cy c le (write) ras v ih v il v ih v il address v ih v il we v ih v il oe v ih v il v ih v il d out v oh v ol d in row column valid data t ras t ras t rp t rc t crp t rah t asc t cah t asr hi-z : h or l t rp t chr rsh t t ds t dh t wch wcs t t wrp t wrh t rc t wp t rcd cas discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 25 of 29 self refresh cy c le (sleep mode ) - l o w p o wer v ersion only ras v ih v il v ih v il we v ih v il t rass t rps t chs t crp d out v oh v ol hi-z : h or l t off t cp t csr t wrh t wrp t note: address and oe are h or l rpc once t rass (min) is provided an d ras remains low, th e dram will be in self refresh, commonly known as sleep mode. cas discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 26 of 29 88h2009 ga14-4254-02 revised 11/97 p a c k age dimension s (400 mil; 32 lead; small outline j-lead) n o te : all dimensions are in millimeters . reference jedec standard ms-027 lead #1 identi?er lead #17 lead 0.64 min 3.76 max 11.18 10.16 0.13 + 0.13 - 0.13 9.4 basic 0.42 + 0.09 - 0.04 1.27 basic 0.66 + 0.09 - 0.04 20.9 5 0.13 2.08 min 0.200 0.10 seating plane +0.06 -0.01 #1 discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram 88h2009 ga14-4254-02 revised 11/97 ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 27 of 29 p a c k age dimension s (400mil; 32 lead; thin small outline p a c kage) n o te : all dimensions are in millimeter s . re f erence jedec standard ms-024 lea d # 1 identi?er lea d # 1 lea d # 32 0.5 0 0.1 0.25 basic gage plane detail a 11.76 0.20 10.16 0.20 detail a 20.9 5 0.13 1.27 basic 0.4 + 0.12 - 0.10 seating plane 0.10 1.20 max 0.05 +0.10 -0.00 0.125 +0.075 -0.005 1.0 0 0.05 discontinued (12/98 - last order; 3/99 last ship)
IBM0165805B ibm0165805p 8m x 8 12/11 edo dram ?ibm corporation. all rights reserved. use is further subject to the provisions at the end of this document. page 28 of 29 88h2009 ga14-4254-02 revised 11/97 r e vision log r e vision contents of modi?cation 1/2/97 initial specification release. 03/19/97 1. we f or the hidden refresh w r ite cycle in the t r uth t a b le w as changed from h to l ? h. 2 . t oed was moved from the common parameters table to the write cycle parameters table. 3 . the note implementing we at ras time du r ing a read or w r ite cycle is optional. doing so will f acilitate compatibility with future edo dram s . w as rem o v ed from all of the read and w r ite timing diagram s . 4. t odd was changed to t oed in notes in the write cycle and read cycle parameters tables. 5 . hyper page mode was changed to edo (hyper page) mode in the timing diagram titles. 6 . rem o v ed the t est mode parameters and timing diag r am s . 7 . l vttl/ l vcmos changed to ttl/cmo s . 8 . l vcmos currents were rem o v ed. 9 . p o w er numbers on the spec c o v er were recalculated. 11/97 1. changed retentiontime from 256ms to 128ms on low power drams. discontinued (12/98 - last order; 3/99 last ship)
intern ational business machines corp.1997 printed in the united states of america all rights reserved ibm and the ibm logo are registered trademarks of the ibm corporation. this document may contain preliminary information and is subject to change by ibm without notice. ibm assumes no responsibility or liability for any use of the information contained herein. nothing in this document shall operate as an express or implied lice nse or indemnity under the intellectual property rights of ibm or third parties. the products described in this document are not inten ded for use in implantation or other direct life support applications where malfunction may result in direct physical harm or injury to persons. no warranties of any kind, including, but not limited to, the implied warranties of merchantability or fitness for a particular purpose, are offered in this document . for more information contact your ibm microelectronics sales representative or visit us on world wide web at http://www.chips.ibm.com ibm microelectronics manufacturing is iso 9000 compliant. a discontinued (8/98 - last order; 12/98 last ship)

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