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  integrated silicon solution, inc. www.issi.com 1 rev. a 09/29/2011 copyright ? 2011 integrated silicon solution, inc. all rights reserved. issi reserves the right to make changes to this specifcation and its products at any time without notice. issi assumes no liability arising out of the application or use of any information, products or services described herein. customers are advised to obtain the lat- est version of this device specifcation before relying on any published information and before placing orders for products. integrated silicon solution, inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reason- ably be expected to cause failure of the life support system or to signifcantly affect its safety or effectiveness. products are not authorized for use in such applications unless integrated silicon solution, inc. receives written assurance to its satisfaction, that: a.) the risk of injury or damage has been minimized; b.) the user assume all such risks; and c.) potential liability of integrated silicon solution, inc is adequately protected under the circumstances IS61WV12816EDBLL is64wv12816edbll features ? high-speed access time: 8, 10 ns ? low active power: 85 mw (typical) ? low standby power: 7 mw (typical) cmos standby ? single power supply v dd 2.4v to 3.6v (10 ns) v dd 3.3v 10% (8 ns) ? fully static operation: no clock or refresh required ? three state outputs ? data control for upper and lower bytes ? industrial and automotive temperature support ? lead-free available ? error detection and error correction 128k x 16 high speed asynchronous cmos static ram with ecc description the issi is61/64wv12816edbll is a high-speed, 2,097,152-bit static rams organized as 131,072 words by 16 bits. it is fabricated using issi 's high-performance cmos technology. this highly reliable process coupled with innovative circuit design techniques, yields high- performance and low power consumption devices. when ce is high (deselected), the device assumes a standby mode at which the power dissipation can be re- duced down with cmos input levels. easy memory expansion is provided by using chip enable and output enable inputs, ce and oe. the active low write enable (we) controls both writing and reading of the memory. a data byte allows upper byte (ub) and lower byte (lb) access. the is61/64wv12816edbll is packaged in the jedec standard 44-pin tsop-ii and 48-pin mini bga (6mm x 8mm). functional block diagram october 2011 m e mo ry l o we r i o a rra y - 128 k x 8 e cc a rr a y - 128k x 4 d e c o d e r i / o d a t a circ u it ecc co l u m n i / o i o0 - 7 co n t ro l circ u it a 0 - a 1 6 i o8 - 1 5 8 ecc 8 8 8 1 2 1 2 m e mo ry u pp e r i o a rra y - 128 k x 8 e cc a rr a y - 128k x 4 8 4 4 8 /ce /o e /w e /u b /l b
2 integrated silicon solution, inc. www.issi.com rev. a 09/29/2011 is61/64wv12816edbll truth table i/o pin mode we ce oe lb ub i/o0-i/o7 i/o8-i/o15 v dd current not selected x h x x x high-z high-z i sb 1 , i sb 2 output disabled h l h x x high-z high-z i cc x l x h h high-z high-z read h l l l h d out high-z i cc h l l h l high-z d out h l l l l d out d out write l l x l h d in high-z i cc l l x h l high-z d in l l x l l d in d in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 a4 a3 a2 a1 a0 ce i/o0 i/o1 i/o2 i/o3 v dd gnd i/o4 i/o5 i/o6 i/o7 we a16 a15 a14 a13 a12 a5 a6 a7 oe ub lb i/o15 i/o14 i/o13 i/o12 gnd v dd i/o11 i/o10 i/o9 i/o8 nc a8 a9 a10 a11 nc 44-pin tsop (type ii) (t) pin descriptions a0-a16 address inputs i/o0-i/o15 data inputs/outputs ce chip enable input oe output enable input we write enable input lb lower-byte control (i/o0-i/o7) ub upper-byte control (i/o8-i/o15) nc no connection v dd power gnd ground pin conf iguration
integrated silicon solution, inc. www.issi.com 3 rev. a 09/29/2011 1 2 3 4 5 6 7 8 9 10 11 12 is61/64wv12816edbll pin descriptions a0-a16 address inputs i/o0-i/o15 data inputs/outputs ce chip enable input oe output enable input we write enable input lb lower-byte control (i/o0-i/o7) ub upper-byte control (i/o8-i/o15) nc no connection v dd power gnd ground 48-pin mini bga (b) pin conf iguration 1 2 3 4 5 6 a b c d e f g h lb oe a0 a1 a2 nc i/o 8 ub a3 a4 ce i/o 0 i/o 9 i/o 10 a5 a6 i/o 1 i/o 2 gnd i/o 11 nc a7 i/o 3 v dd v dd i/o 12 nc a16 i/o 4 gnd i/o 14 i/o 13 a14 a15 i/o 5 i/o 6 i/o 15 nc a12 a13 we i/o 7 nc a8 a9 a10 a11 nc
4 integrated silicon solution, inc. www.issi.com rev. a 09/29/2011 is61/64wv12816edbll absolute maximum ratings (1) symbol parameter value unit v term terminal voltage with respect to gnd C0.5 to v dd + 0.5 v v dd v dd relates to gnd C0.3 to 4.0 v t stg storage temperature C65 to +150 c p t power dissipation 1.0 w notes: 1. stress 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 specifcation is not implied. exposure to absolute maximum rating conditions for extended periods may affect reliability. capacitance (1,2) symbol parameter conditions max. unit c in input capacitance v in = 0v 6 pf c i/o input/output capacitance v out = 0v 8 pf notes: 1. tested initially and after any design or process changes that may affect these parameters. 2. test conditions: t a = 25c , f = 1 mhz, v dd = 3.3v. error detection and error correction ? independent ecc with hamming code for each byte ? detect and correct one bit error per byte ? better reliability than parity code schemes which can only detect an error but not correct an error ? backward compatible: drop in replacement to current in industry standard devices (without ecc) note: 1. contact sram@issi.com for 1.8v option operating range ( v dd ) 1 r ange ambient temperature IS61WV12816EDBLL is64wv12816edbll v dd (8, 10 n s ) v dd (10 n s ) industrial C40c to +85c 2.4v-3.6v (10ns) 3.3v 10% (8ns) automotive (a1) C40c to +85c 2.4v-3.6v automotive (a3) C40c to +125c 2.4v-3.6v
integrated silicon solution, inc. www.issi.com 5 rev. a 09/29/2011 1 2 3 4 5 6 7 8 9 10 11 12 is61/64wv12816edbll power supply characteristics (1) (over operating range) -8 -10 -20 symbol parameter test conditions min. max. min. max. min. max. unit i cc v dd dynamic operating v dd = max., com. 40 30 25 ma supply current i out = 0 ma, f = f max ind. 45 35 30 auto. 50 45 typ. (2) 21 21 i cc 1 operating v dd = max., com. 20 20 20 ma supply current i out = 0 ma, f = 0 ind. 25 25 25 auto. 40 40 i sb 1 ttl standby current v dd = max., com. 10 10 10 ma (ttl inputs) v in = v ih or v il ind. 15 15 15 ce v ih , f = 0 auto. 30 30 i sb 2 cmos standby v dd = max., com. 5 5 5 ma current (cmos inputs) ce v dd C 0.2v, ind. 6 6 6 v in v dd C 0.2v, or auto. 15 15 v in 0.2v , f = 0 typ. (2) 1.5 1.5 note: 1. at f = f max , address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change. 2. typical values are measured at v dd = 3.0v, t a = 25 o c and not 100% tested. dc electrical characteristics (over operating range) v dd = 2.4v-3.6v symbol parameter test conditions min. max. unit v oh output high voltage v dd = min., i oh = C1.0 ma 1.8 v v ol output low voltage v dd = min., i ol = 1.0 ma 0.4 v v ih input high voltage 2.0 v dd + 0.3 v v il input low voltage (1) C0.3 0.8 v i li input leakage gnd v in v dd C1 1 a i lo output leakage gnd v out v dd , outputs disabled C1 1 a note: 1. v il ( min.) = C0.3v dc; v il (min.) = C2.0v ac (pulse width < 10 ns). not 100% tested. v ih ( max.) = v dd + 0.3v dc; v ih ( max.) = v dd + 2.0v ac (pulse width < 10 ns). not 100% tested. dc electrical characteristics (over operating range) v dd = 3.3v + 10% symbol parameter test conditions min. max. unit v oh output high voltage v dd = min., i oh = C4.0 ma 2.4 v v ol output low voltage v dd = min., i ol = 8.0 ma 0.4 v v ih input high voltage 2 v dd + 0.3 v v il input low voltage (1) C0.3 0.8 v i li input leakage gnd v in v dd C1 1 a i lo output leakage gnd v out v dd , outputs disabled C1 1 a note: 1. v il ( min.) = C0.3v dc; v il (min.) = C2.0v ac (pulse width < 10 ns). not 100% tested. v ih ( max.) = v dd + 0.3v dc; v ih ( max.) = v dd + 2.0v ac (pulse width < 10 ns). not 100% tested.
6 integrated silicon solution, inc. www.issi.com rev. a 09/29/2011 is61/64wv12816edbll read cycle switching characteristics (1) (over operating range) -8 -10 -20 symbol parameter min. max. min. max. min. max. unit t rc read cycle time 8 10 20 ns t aa address access time 8 10 20 ns t oha output hold time 2.0 2.0 2.5 ns t ace ce access time 8 10 20 ns t doe oe access time 4.5 4.5 8 ns t hzoe (2) oe to high-z output 3 4 0 8 ns t lzoe (2) oe to low-z output 0 0 0 ns t hzce (2 ce to high-z output 0 3 0 4 0 8 ns t lzce (2) ce to low-z output 3 3 3 ns t ba lb, ub access time 5.5 6.5 8 ns t hzb (2) lb, ub to high-z output 0 3 0 3 0 8 ns t lzb (2) lb, ub to low-z output 0 0 0 ns t pu power up time 0 0 0 ns t pd power down time 8 10 20 ns notes: 1. test conditions and output loading conditions are specifed in the ac test conditions and ac test loads (figure 1). 2. tested with the load in figure 2. transition is measured 500 mv from steady-state voltage. ac test loads figure 1. 319 5 pf including jig and scope 353 output 3.3v figure 2. z o = 50 1.5v 50 output 30 pf including jig and scope ac test conditions parameter unit (2.4v-3.6v) input pulse level 0.4v to v dd -0.3v input rise and fall times 1v/ ns input and output timing v dd /2 and reference level (v ref ) output load see figures 1 and 2
integrated silicon solution, inc. www.issi.com 7 rev. a 09/29/2011 1 2 3 4 5 6 7 8 9 10 11 12 is61/64wv12816edbll data valid read1.eps previous data valid t aa t oha t oha t rc d out address ac wave forms read cycle no. 1 (1,2) (address controlled) (ce = oe = v il , ub or lb = v il ) t rc t oha t aa t doe t lzoe t ace t lzce t hzoe high-z data valid ub_cedr2.eps t hzb address oe ce lb, ub d out t hzce t ba t lzb t rc t pd i sb i cc 50% v dd supply current 50% t pu read cycle no. 2 (1,3) notes: 1. o 91 is high for a read cycle. 2. the device is continuously selected. 01, 1, /2, or c2 = v il . 3. address is valid prior to or coincident with 1 low transition.
8 integrated silicon solution, inc. www.issi.com rev. a 09/29/2011 is61/64wv12816edbll write cycle switching characteristics (1,3) (over operating range) -8 -10 -20 symbol parameter min. max. min. max. min. max. unit t wc write cycle time 8 10 20 ns t sce ce to write end 6.5 8 12 ns t aw address setup time 6.5 8 12 ns to write end t ha address hold from write end 0 0 0 ns t sa address setup time 0 0 0 ns t pwb lb, ub valid to end of write 6.5 8 12 ns t pwe 1 we pulse width 6.5 8 12 ns t pwe 2 we pulse width (oe = low) 8 10 17 ns t sd data setup to write end 5 6 9 ns t hd data hold from write end 0 0 0 ns t hzwe (2) we low to high-z output 3.5 5 9 ns t lzwe (2) we high to low-z output 2 2 3 ns notes: 1. test conditions and output loading conditions are specifed in the ac test conditions and ac test loads (figure 1). 2. tested with the load in figure 2. transition is measured 500 mv from steady-state voltage. not 100% tested. 3. the internal write time is defned by the overlap of ce low and ub or lb, and we low. all signals must be in valid states to initiate a write, but any one can go inactive to terminate the write. the data input setup and hold timing are referenced to the rising or falling edge of the signal that terminates the write. shaded area product in development
integrated silicon solution, inc. www.issi.com 9 rev. a 09/29/2011 1 2 3 4 5 6 7 8 9 10 11 12 is61/64wv12816edbll write cycle no. 2 (we controlled. oe is high during write cycle) (1,2) data undefined low t wc valid address t pwe1 t aw t ha high-z t pwb t hd t sa t hzwe address ce ub, lb we d out d in oe data in valid t lzwe t sd ub_cewr2.eps notes: 1. write is an internally generated signal asserted during an overlap of the low states on the ce and we inputs and at least one of the lb and ub inputs being in the low state. 2. write = (ce) [ (lb) = (ub) ] (we). ac wave forms write cycle no. 1 (ce controlled, oe is high or low) (1 ) data undefined t wc valid address t sce t pwe1 t pwe2 t aw t ha high-z t pwb t hd t sa t hzwe address ce ub, lb we d out d in data in valid t lzwe t sd ub_cewr1.eps
10 integrated silicon solution, inc. www.issi.com rev. a 09/29/2011 is61/64wv12816edbll ac wave forms write cycle no. 3 (we controlled. oe is low during write cycle) (1) data undefined t wc valid address low low t pwe2 t aw t ha high-z t pwb t hd t sa t hzwe address ce ub, lb we d out d in oe data in valid t lzwe t sd ub_cewr3.eps write cycle no. 4 (lb, ub controlled, back-to-back write) (1,3) data undefined t wc address 1 address 2 t wc high-z t pwb word 1 low word 2 ub_cewr4.eps t hd t sa t hzwe address ce ub, lb we d out d in oe data in valid t lzwe t sd t pwb data in valid t sd t hd t sa t ha t ha notes: 1. the internal write time is defned by the overlap of ce = l ow , ub and/or lb = l ow , and we = low. all signals must be in valid states to initiate a write, but any can be deasserted to terminate the write. the t sa , t ha , t sd , and t hd timing is referenced to the rising or falling edge of the signal that terminates the write. 2. tested with oe high for a minimum of 4 ns before we = low to place the i/o in a high-z state. 3. we may be held low across many address cycles and the lb, ub pins can be used to control the write function.
integrated silicon solution, inc. www.issi.com 11 rev. a 09/29/2011 1 2 3 4 5 6 7 8 9 10 11 12 is61/64wv12816edbll data retention wave form (ce controlled) high speed (is61/64wv12816edbll) data retention switching characteristics (2.4v-3.6v) symbol parameter test condition options min. typ. (1) max. unit v dr v dd for data retention see data retention waveform 2.0 3.6 v i dr data retention current v dd = 2.0v, ce v dd C 0.2v com. 0.5 5 ma ind. 6 auto. 15 t sdr data retention setup time see data retention waveform 0 ns t rdr recovery time see data retention waveform t rc ns note 1: typical values are measured at v dd = v dr (min), t a = 25 o c and not 100% tested. v dd ce v dd - 0.2v t sdr t rdr v dr ce gnd data retention mode
12 integrated silicon solution, inc. www.issi.com rev. a 09/29/2011 is61/64wv12816edbll industrial range: -40c to +85c speed (ns) order part no. package 10 is64wv12816edbll-10ba1 48 mini bga (6mm x 8mm) is64wv12816edbll-10bla1 48 mini bga (6mm x 8mm), lead-free is64wv12816edbll-10cta1 tsop (type ii), copper leadframe is64wv12816edbll-10ctla1 tsop (type ii), lead-free, copper leadframe automotive range: -40c to +125c speed (ns) order part no. package 10 is64wv12816edbll-10ba3 48 mini bga (6mm x 8mm) is64wv12816edbll-10bla3 48 mini bga (6mm x 8mm), lead-free is64wv12816edbll-10cta3 tsop (type ii), copper leadframe is64wv12816edbll-10ctla3 tsop (type ii), lead-free, copper leadframe ordering inf ormation (high speed) industrial range: -40c to +85c speed (ns) order part no. package 8 IS61WV12816EDBLL-8bi 48 mini bga (6mm x 8mm) IS61WV12816EDBLL-8bli 48 mini bga (6mm x 8mm), lead-free IS61WV12816EDBLL-8ti tsop (type ii) IS61WV12816EDBLL-8tli tsop (type ii), lead-free 10 IS61WV12816EDBLL-10bi 48 mini bga (6mm x 8mm) IS61WV12816EDBLL-10bli 48 mini bga (6mm x 8mm), lead-free IS61WV12816EDBLL-10ti tsop (type ii) IS61WV12816EDBLL-10tli tsop (type ii), lead-free
integrated silicon solution, inc. www.issi.com 13 rev. a 09/29/2011 1 2 3 4 5 6 7 8 9 10 11 12 is61/64wv12816edbll 2. dimension d and e1 do not include mold protrusion. 3. dimension b does not include dambar protrusion/intrusion. 1. controlling dimension : mm note :   06/04/2008 package outline
14 integrated silicon solution, inc. www.issi.com rev. a 09/29/2011 is61/64wv12816edbll 2. reference document : jedec mo-207 1. controlling dimension : mm . note : 08/12/2008 package outline


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