sc3004 hangzhou?silan?microelectronics?co.,ltd ?rev:1.1???????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of?10 infrared?remote?control?transmitter?of?3004?code?format sop-24-375-1.27 sdip-24-300-2.54 description sc3004? 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. features *?cmos?technology ??*?low?voltage?supply ??*?bi-phase?transmission?technique applications *?television *?vcr *?audio?equipment *?multi-media?system *?personal?computer ordering?information device package sc3004 sdip-24-300-2.54 SC3004S sop-24-375-1.27 block?diagram 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
sc3004 hangzhou?silan?microelectronics?co.,ltd ?rev:1.1???????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of?10 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 ) 0.7?v dd v low?level?input?voltage (ki0~ki7,c0~c3,sms,t1,t2) v il v dd =3v,(?t1,t2,osc,sms connected?to?vss) 0.3?v 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 vi=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 osc ?v dd =3v 400 600 khz pin?configurations
sc3004 hangzhou?silan?microelectronics?co.,ltd ?rev:1.1???????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of?10 pin?description pin?no. symbol descriptions 1 nc not?connect 2 gnd negative?power?supply 3-10 ko0-ko7 scan?driver?pins 11-18 ki0-ki7 key?sense?input?pins 19 cci user?code?select 20 led led?pin 21 rem generate?output?data?pin?(with?carrier?wave) 22 osco oscillator?output 23 osci oscillator?input 24 v dd power?supply functional?description sc3004?code?format: start?bit even/odd user?code data?code 1 1/0 s2 s1 s0 d5 d4 d3 d2 d1 d0 user?code?can?be?set?to?one?of?following?(decided?by?pin?cci): line ko0 ko1 ko2 ko3 ko4 ko5 ko6 s2?s1?s0 000 001 010 011 100 101 111 the?sc3004?code?format?is?showed?as?following: 3?bit?user?code 6?bit?data?code 1 star?bit?and?even/odd?bit same?key?code first?key?code(odd) no?key 121ms 0 167us 5.06ms 167us 7.59ms note:?even/odd?bit:?the?bit?will?retake?when?a?key?is?pressed.
sc3004 hangzhou?silan?microelectronics?co.,ltd ?rev:1.1???????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?4?of?10 data?code pin?no ko0 ko1 ko2 ko3 ko4 ko5 ko6 ko7 data?code 00 01 02 03 04 05 06 ki0 07 08 09 0a 0b 0c 0d 0e ki1 0f 10 11 12 13 14 15 16 ki2 17 18 19 1a 1b 1c 1d 1e ki3 1f 20 21 22 23 24 ki4 25 (to?be?continued)
sc3004 hangzhou?silan?microelectronics?co.,ltd ?rev:1.1???????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?5?of?10 (continued) pin?no ko0 ko1 ko2 ko3 ko4 ko5 ko6 ko7 data?code 26 ki4 27 28 29 2a 2b 2c 2d 2e ki5 2f 30 31 32 33 34 35 36 ki6 37 38 39 3a 3b 3c 3d 3e ki7 3f
sc3004 hangzhou?silan?microelectronics?co.,ltd ?rev:1.1???????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?6?of?10 application?circuit s c 3 0 0 4 note:?pin?19?connect?with?one?of?scan?driver?pin?to?decide?the?user?code
sc3004 hangzhou?silan?microelectronics?co.,ltd ?rev:1.1???????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?7?of?10 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?over?striking?lines. *?the?emitter?of?triode?connect?1
?resistor?at?least. *?recommended?triode?use?9014.
sc3004 hangzhou?silan?microelectronics?co.,ltd ?rev:1.1???????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?8?of?10 package?outline sop-24-375-1.27 ?unit:?mm 15 . 34 0. 25 13 . 97 1. 27 0. 40 3. 10max 0. 25 0. 05 sdip-24-300-2.54 unit:?mm 7 . 6 2 0 . 2 5 0 . 0 5 4 . 3 6 m a x 3 . 0 0 m i n 6 . 4 0 0 . 2 5
sc3004 hangzhou?silan?microelectronics?co.,ltd ?rev:1.1???????2005.12.15 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?9?of?10 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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