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SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of?15 infrared?remote?control?transmitter?of?rc5?code?format dip-28 sop-28 description SC3010? is? a? remote? control? transmitter? utilizing? cmos technology? specially? designed? for? use? on? general? purpose? (rc- 5) infrared? applications? with? low? voltage? supply? and? large? debounce time.?SC3010?supports?32 ?systems.?each?system?has?a?maximum?of 64? commands;? thus,? SC3010? can? provide? up? to? a? total? of? 2,048 commands. features *?cmos?technology *?low?voltage?supply *?supports?up?to?32?systems *?single?pin?oscillator *?bi-phase?transmission?technique *?provides?2,048?commands applications *?television *?vcr *?audio?equipment *?multi-media?system *?personal?computer ordering?information device package SC3010 dip-28-600-2.54 SC3010s sop-28-375-1.27 block?diagram
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of?15 absolute?maximum?rating ?(t amb =25 c,?unless?otherwise?specified) characteristics symbol test?conditions value unit supply?voltage* v dd v ss -0.3?~?5.5 v input?voltage* v in ?v dd =3?v -0.5?~?v dd +0.5 v output?voltage* v out ?v dd =3?v -0.5?~?v dd +0.5 v operating?temperature t opr ?v dd =3?v -20~85 c note:?*?=?with?reference?to?vss. electrical?characteristics (t amb =25 c,?unless?otherwise?specified) characteristics symbol test?conditions min typ max unit supply?voltage v dd ? freq=455khz 2.0 3.0 5.5 v stand-by?current i dd ?v dd ?=3v?(output?no?load) 0 10 m a input?current(ki0~ki7,c0~c3) i in vi=0v??t1=0?t2=0?sms=0 15 600 m a high?level?input?voltage (ki0~ki7,c0~c3,sms,t1,t2) v ih v dd ?=3v,?(ki0~ki7?and c0~c3?connected?to?v dd ) 0.7v dd v low?level?input?voltage (ki0~ki7,c0~c3,sms,t1,t2) v il v dd =3v?,(?t1,t2,osc,sms connected?to?v ss ) 0.3v dd v v i =3v??v dd =3v t1=t2=high 0 1.0 input?current?leakage (ki0~ki7,c0~c3) i leak1 v i =0v??v dd =3v t1=t2=high 0 1.0 m a i leak2 v i =0v??v dd =3v t1=t2=high 0 1.0 input?current?leakage?(osc) i leak3 v i =3v??v dd =3v t1=t2=high 4.5 15 30 m a v i =3v??v dd =3v?t=25 c 0 1.0 input?leakage?current (sms,t1,t2) i leak4 v i =0v??v dd =3v?t=25 c 0 1.0 m a high?level?output?voltage (dout,?mdout) v oh ?v dd =3v?i oh =0.4ma v dd -?0.3 low?level?output?voltage (dout,?mdout) v ol ?v dd =3v?i oh =0.6ma 0.35 v v o =3v??v dd =3v?t=25 c 10 output?current?leakage (dout,?mdout) i leak5 v o =0v??v dd =3v?t=25 c 1 m a low?level?output?voltage (ko0~ko7) v ol ?v dd =3v?i ol =0.3ma 0.8 v v o =3v??v dd =3v?t=25 c 0 1 output?current?leakage (ko0~ko7) i leak6 v o =3v??v dd =3v?t=- 25~85 c 3 10 m a drive?current?(dout,?mdout) i d v dd =3v?vo=1.5v 1.5 2 ma operational?frequency f osc1 ?v dd =3v 400 600 khz free-running?frequency f osc2 ?v dd =3v 50 100 khz
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of?15 pin?configurations pin?description pin?no. symbol description 1 ki7 key?sense?input?pin 2 sms system?mode?selection?input?pin 3~6 c0~c3 key?sense?input?pins 7 mdout generated?output?data?pin?modulated?with?1/12?oscillator?frequency?at?a?25% duty?factor 8 dout generated?output?data?pin 9~13 ko7~ko3? scan?driver?pins 14 v ss negative?power?supply 15~17 ko2~ko0? scan?driver?pins 18 osc oscillator?input?pin 19 t2 test?pin?2 20 t1 test?pin?1 21~27 ki0~ki6 key?sense?input?pins 28 v dd positive?power?supply functional?description 1.?key?input?operation a? key? input? operation? may? be? considered? legal? or? illegal? depending? on? the? keys? pressed.? for? key interconnection? refer? to? the? application? circuit? diagram? in? application? circuit? section.? the? maximum value?of?the?switched?key?contact?series?resistance?is?7k w . a).?legal?key?input a? legal?key? input? operation? enables?the? device?to? activate?the? corresponding? codes.? a?key? input? operation? is considered? as? legal? if? it? is? 1).? a? connection? of? one? k-input? (ki0~ki7)? to? one? k-output? (ko0~ko7),? or? 2).a
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?4?of?15 connection?of?one?c-input(c0~c3)?to?one?k-output?(ko0~ko7)?when?the?system?mode?selection?(sms)?pin?is?in a?low?state.?if?the?sms?is?in?a?high?state,?then?a?wired?connection?must?be?made?between?a?c-input?to?a?k- output? in? order?to? generate? the? system? number.? for? connections? consisting? of? one? k-input? or? c-input? to? more than?one?k-output?pins,?the?last?scan?signal?is?recognized?as?legal. b).?illegal?key?input an?illegal?key?input?operation?does?not?produce?any?activity.?no?activity?will?be?generated?if?1)?two?or?more?k- input/c-input?pins?or?2)?c-input?and?k-input?pins?are?activated?simultaneously.?the?oscillator?will?not?start.?thus, this?operation?is?considered?as?illegal. 2.?inputs:?ki0~ki7?&?c0~c3 in? the?quiescent? state,?the?command?inputs?ki0~ki7?are?pulled?high?by?an?internal?pull-up?transistor.?also?if the?system?is?quiescent?and?the?system?mode?selection?input?(sms)?is?in?high?state?so?that?current?flow?may?be prevented.?a?wired?connection?in?the?c-ko?matrix?provides?32?systems. 3.?data?output debounce?time (16-bit?time) scan time (2-bit?time) start?bit control bit system?bits command??bits lsb lsb?msb one?code first??code second??code repetition?time ?msb where:?debounce?time+?scan?time=18?bit-times,?repetition?time=4x16?bit-times figure?1:?data?output?format the?generated?information?is?transmitted?through?the?output?signal?dout.?the?data?output? code?consists?of 1.5?start?bits?(2xlogic?1),?1?control?bit,?5?system?bits,?and?6?command?bits.?please?refer?to?the?diagram?above for?the?data?output?format.?(see?also?command?and?system?matrixes). after?a?legal?key?operation?is?performed,?the?ko?outputs?are?switched?off?and?a?16-bit?debounce?time?period?is experienced? followed? by? a? 2-bit? scan? cycle? time.? during? the? scanning? cycle? the? outputs? are? switched? to? the conductive?state?one?at?a?time. code?is?transmitted?using?a?biphase?technique.?please?refer?to?the?diagram?below.?the?mdout?output?signal transmits?the?generated?data?modulated?by?1/12?of?the?oscillator?frequency?with?a?25%?duty?factor. logic?1 logic?0 where:?1?bit-time=3x2 8 xtosc=1.688ms?(typ.?tosc=1/455khz) figure?2:?biphase?code?transmission?technique
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?5?of?15 both?the?dout?and?the?mdout?are?non-conducting?(3-state?outputs)?when?in?the?quiescent?state.?the?scan driver?outputs?(ko0~ko7)?are?open?drain?n-channel?and?conduct?when?the?circuit?is?in?the?quiescent?state. 4.?system?modes a).?combined?system?mode?(sms=low) the?ki?and?the?c?sense?inputs?have?p-channel?pull-up?transistors?(meaning?they?are?normally?in?high?state). they?are?pulled?to?low?state?when?an?output?is?connected,?to?them?as?a?result?of?a?legal?key?operation.?a?legal key?operation?in?the?ki-ko?or?c-ko?matrix?will?initiate?a?debounce?cycle.?once?key?contact?has?been?established for?18-bit?time?without?any?interruption,?the?oscillator?enable?signal?is?latched?and?the?key?may?be?released.?the device?is?reset?when?there?is?an?interruption?during?the?18-bit? time?period.? at? the?end?of? the?debounce?cycle,?ko outputs?are?switched?off?and?two?scan?cycles?begins. when? ki? or? c? input? senses? a? low? level? output,? a? latch-enable? signal? is? fed? to? the? system? (c-input)? or command?(ki-input)?latches.?after?latching?a?system?number,?the?device?will?generate?the?last?command?(i.e.?all command?bits?logic?1)?in?the?selected?system?for?as?long?as?the?key?is?pressed.?latching?of? a?command?number causes? the? chip? to? generate? this? command? together? with? the? system? number? stored? in? the? system? latch.? by releasing?the?key,? the?device?will?be?reset?if? no?data?is?to?be?transmitted?at? the?time.? the?complete?code?frame?is transmitted?even?if?the?key?is?released?during?code?transmission. b).?single?system?mode?(sms=high) in?the?single?system?mode,?the?ki-sense?inputs?are?also?pulled?high?by?the?p-channel?pull-up?transistors,?as?in the? combined? system? mode.? the? c-sense? inputs,? however,? are? disabled? by? switching? off? their? pull-high transistors.?a?system?code?is?provided?by?a?wired?connection?between?the?c-ko?matrix.?the?debounce?cycle?can only?be?started?by?any?legal?key?operation?in?the?ki-ko?matrix.?once?the?key?contact?has?been?established?for 18-bit? time? without? any? interruption,? the? oscillator-enable? signal? is? latched? and? the? key? may? be? released.? any interruption?during?the?18-bit?time?period?resets?the?internal?action. at?the?end?of?the?debounce?cycle,?the?pull-up?transistors?in?the?ki-lines?are?then?switched?off?and?the?pull-up transistors? in?the? c-lines?are? turned?on? for?the? first? scan?cycle.? the? wired? connection? in? the? c-matrix?matrix?is then?translated?into?a?system?number? and?stored?in?the?system?latch.? at? the?end?of?the?first?scan?cycle,? 1)?the?c- input?pull-up?transistors?are?switched?off?and?the?inputs?are?again?disabled,?2)?ki-sense?input?pull-up?transistors are? turned? on.? the? command? number? is? generated? by? the? second? scan? cycle.? this? command? number? is? then latched?and?transmitted?together?with?the?system?number. 5.?key?release?detection an?additional?control?bit?is?complemented?after?key?release.?this?additional?control?bit?tells?the?decoder?that?the next?code?is?a?new?command.?this?feature?is?important?in?cases?where?more?digits?are?needed?to?be?inputted?(i.e. teletext? channel? numbers? or? viewdata? pages).? the? extra? control? bit? will? only? be? complemented after? the completion?of?at?least?one?code?transmission.?the?scan?cycles?are?repeated?before?every?code?transmission;?thus, even? with? the? take? over? of? key? operation? during? the? code? transmission,? the? correct? system? and? command numbers?are?generated. 6.?resetting?the?device the?device?will?immediately?reset?under?the?following?conditions: ?????1).?a?key?is?released?during?the?debounce?time ?????2).?a?key?is?released?between?two?codes
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?6?of?15 ?????3).?during?matrix?scanning ???????a).?a?key?is?released?while?one?of?the?drivers?outputs?is?in?the?low?ohmic?state?(logic?0) ???????b).?a?key?is?released?before?that?key?has?been?detected. ???????c).?there?is?no?wired?connection?in?the?c-ko?matrix?when?sms?is?in?high?state. 7.?oscillator the?osc?is?a?1-pin?oscillator?input/output?terminal.?the?oscillator?is?constructed?by?connecting?in?series?a ceramic?resonator?like?toko?crk429. 8.?test?mode when? t1,? t2? and? osc? pins?are?in? high? state,? the?circuit? initializes.? all?internal? nodes? except? for? the? latch are?defined.?the?latch?is?defined?when?a?scan?cycle?starts?by?pulling?down?a?ki?or?a?c?input?while?the?oscillator?is active. if? the? debounce? cycle? has? been? completed,? then? the? scan? cycle? can? be? accomplished? 3x2 3 ? times? faster? by setting?the?t1?to?high.?if?the?scan?cycle?has?been?completed,?the?latch?contents?can?be?read?3x2 7 ?times?faster by?setting?the?t2?to?high.
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?7?of?15 SC3010?command?matrix?data?code the?command?matrix?data?code?is?given?in?the?table?below: ki-line ko-line command?bits no. 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 5 4 3 2 1 0 0 ?0 0 0 0 0 0 1 ?0 0 0 0 0 1 2 ?0 0 0 0 1 0 3 ?0 0 0 0 1 1 4 ?0 0 0 1 0 0 5 ?0 0 0 1 0 1 6 ?0 0 0 1 1 0 7 0 0 0 1 1 1 8 ?0 0 1 0 0 0 9 ?0 0 1 0 0 1 10 ?0 0 1 0 1 0 11 ?0 0 1 0 1 1 12 ?0 0 1 1 0 0 13 ?0 0 1 1 0 1 14 ?0 0 1 1 1 0 15 0 0 1 1 1 1 16 ?0 1 0 0 0 0 17 ?0 1 0 0 0 1 18 ?0 1 0 0 1 0 19 ?0 1 0 0 1 1 20 ?0 1 0 1 0 0 21 ?0 1 0 1 0 1 22 ?0 1 0 1 1 0 23 0 1 0 1 1 1 24 ?0 1 1 0 0 0 25 ?0 1 1 0 0 1 26 ?0 1 1 0 1 0 27 ?0 1 1 0 1 1 28 ?0 1 1 1 0 0 29 ?0 1 1 1 0 1 30 ?0 1 1 1 1 0 31 0 1 1 1 1 1 32 ?1 0 0 0 0 0 33 ?1 0 0 0 0 1 34 ?1 0 0 0 1 0 35 ?1 0 0 0 1 1 (to?be?continued)
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?8?of?15 (continued) ki-line ko-line command?bits no. 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 5 4 3 2 1 0 36 ?1 0 0 1 0 0 37 ?1 0 0 1 0 1 38 ?1 0 0 1 1 0 39 1 0 0 1 1 1 40 ?1 0 1 0 0 0 41 ?1 0 1 0 0 1 42 ?1 0 1 0 1 0 43 ?1 0 1 0 1 1 44 ?1 0 1 1 0 0 45 ?1 0 1 1 0 1 46 ?1 0 1 1 1 0 47 1 0 1 1 1 1 48 ?1 1 0 0 0 0 49 ?1 1 0 0 0 1 50 ?1 1 0 0 1 0 51 ?1 1 0 0 1 1 52 ?1 1 0 1 0 0 53 ?1 1 0 1 0 1 54 ?1 1 0 1 1 0 55 1 1 0 1 1 1 56 ?1 1 1 0 0 0 57 ?1 1 1 0 0 1 58 ?1 1 1 0 1 0 59 ?1 1 1 0 1 1 60 ?1 1 1 1 0 0 61 ?1 1 1 1 0 1 62 ?1 1 1 1 1 0 63 1 1 1 1 1 1
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?9?of?15 SC3010?system?matrix?data?code the?system?matrix?data?code?for?k-ko?lines?are?given?in?the?table?below: c-line ko-line system?bits system no. 0 1 2 3 0 1 2 3 4 5 6 7 4 3 2 1 0 0 0 0 0 0 0 1 0 0 0 0 1 2 0 0 0 1 0 3 0 0 0 1 1 4 0 0 1 0 0 5 0 0 1 0 1 6 0 0 1 1 0 7 0 0 1 1 1 8 0 1 0 0 0 9 0 1 0 0 1 10 0 1 0 1 0 11 0 1 0 1 1 12 0 1 1 0 0 13 0 1 1 0 1 14 0 1 1 1 0 15 0 1 1 1 1 16 1 0 0 0 0 17 1 0 0 0 1 18 1 0 0 1 0 19 1 0 0 1 1 20 1 0 1 0 0 21 1 0 1 0 1 22 1 0 1 1 0 23 1 0 1 1 1 24 1 1 0 0 0 25 1 1 0 0 1 26 1 1 0 1 0 27 1 1 0 1 1 28 1 1 1 0 0 29 1 1 1 0 1 30 1 1 1 1 0 31 1 1 1 1 1
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?10?of?15 application?circuit note:?there?is?a?connection?between?the?c0~c3?lines?and?ko0~ko7?lines?if?sms?is?tied?to?v dd .
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?11?of?15 chip?topography 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 28 27 26 size:?1.71?x?1.69?mm 2 pad?coordinates (unit: m m) no. symbol x y no. symbol x y 1 p1 -674.50 -407.50 15 p15 693.50 -49.00 2 p2 -674.50 -554.00 16 p16 693.50 91.00 3 p3 -674.50 -704.00 17 p17 693.50 231.00 4 p4 -450.50 -704.00 18 p18 537.00 680.50 5 p5 -309.75 -704.25 19 p19 386.75 680.50 6 p6 -146.50 -704.25 20 p20 246.75 680.50 7 p7 -18.75 -704.25 21 p21 97.25 680.50 8 p8 221.75 -704.25 22 p22 -42.75 680.50 9 p9 400.25 -704.25 23 p23 -192.25 680.50 10 p10 539.25 -704.25 24 p24 -332.00 680.50 11 p11 679.00 -704.25 25 p25 -481.50 680.50 12 p12 693.50 -468.75 26 p26 -674.50 614.50 13 p13 693.50 -329.00 27 p27 -674.50 449.00 14 p14 693.50 -189.00 28 p28 -674.50 267.375 note:?the?original?point?of?the?coordinate?is?the?die?center.
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?12?of?15 pcb?wire?layout?schematic transmitting?tube?output?ground?line the?transmitting?tube?ground?line?and?ic?ground?line?should layout?separated?or?overstriking?ground?line. the?above?ic?only?use?to?hint,?not?to?specified. note: *?in?wire?layout,?the?power?filter?capacitor?should?near?to?ic. *?in?wire?layout,?should?avoid?power?line?and?ground?line?too?long. *?recommended?infrared?transmit?unit?and?ic?ground?line?should?layout?separated,?or?overstriking?lines. *?the?emitter?of?triode?connect?1 ?resistor?at?least. *?recommended?triode?use?9014.
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?13?of?15 package?outline dip-28-600-2.54 unit:?mm 1 3 . 8 0 . 2 5 0 . 5 m i n 4 . 9 6 m a x 3 . 0 0 m i n 1 5 . 2 4 0 . 2 5 0 . 0 5 sop-28-375-1.27 unit:?mm 1 0 . 2 0 . 4 7 . 6 0 . 3 9 . 5 2 5 2 . 8 m a x 17 . 75 0. 25 16 . 51 0. 45 0. 15 0. 05 1. 27
SC3010 hangzhou?silan?microelectronics?co.,ltd ?rev:2.2????????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?14?of?15 handling?mos?devices: electrostatic?charges?can?exist?in?many?things.?all?of?our?mos?devices?are?internally?protected?against electrostatic?discharge?but?they?can?be?damaged?if?the?following?precautions?are?not?taken: persons?at?a?work?bench?should?be?earthed?via?a?wrist?strap. equipment?cases?should?be?earthed. ? all?tools?used?during?assembly,?including?soldering?tools?and?solder?baths,?must?be?earthed. mos?devices?should?be?packed?for?dispatch?in?antistatic/conductive?containers. note: ic?oscillator?input?mustn't?be?on?the?outside?layer,?thus?to?avoid?the?abnormal?working?when?human?body touches?the?remote?controller?without?crust?in?testing.

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