TX-5B/rx-5b hangzhou?silan?microelectronics?co.,ltd rev:2.1???????2004.08.03 http : www.silan.com.cn ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of?10 toy?car?remote?controller?with?nine?functions dip-22 dip-16 sdip-22 description ???the? TX-5B/rx- 5b? are? a? pair? of? cmos? lsis? designed? for? remote controlled? car? applications.? they? have? nine? control? keys? controlling the? motions? (i.e.? forward,? backward,? rightward,? leftward,? trigger? 1-- trigger? 4? functions? and? the? turbo? function)? of? the? remote? controlled car. the?TX-5B?is?housed?in?dip-16?package,?and?the?rx- 5b?is?housed in?dip-22?package. features ?*?wide?operating?voltage?range ????????TX-5B:??(vdd=2.2~12.0v) ????????rx-5b:?(vdd=3.0~12.0v) *?very?low?stand-by?current?for?TX-5B *?auto-power-off?function?for?TX-5B ??*?few?external?components?are?needed ??*?built-in?3.6v?zener?for?rx-5b ??*?9?functions?remote?controller?controlling:?forward,?backward,?right, ????left,??turbo,?trigger?1--?trigger?4?functions ordering?information device package dip-16-300-2.54 dip-22-400-2.54 TX-5B/rx-5b sdip-22-300-2.54 block?diagram oscillator latch circuit encoding ?circuit timing generator logic osci osco right left turbo forward backward pc so sc test gnd v dd f34 14 13 1 16 6 5 4 2 12 10 7 11 3 8 15 9 f1 f2 TX-5B?block?diagram
TX-5B/rx-5b hangzhou?silan?microelectronics?co.,ltd rev:2.1???????2004.08.03 http : www.silan.com.cn ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of?10 block?diagram (continued) lrtd vt si osco osci gnd 4 5 3 11 10 2 turbo backward forward v dd 14 8 6 16 18 19 control ?logic decoding ?circuit amp timing ?generator pla counter latch circuit vo2 vi2 22 1 vo1 vi1 20 21 oscillator f3 f4 15 17 right left 9 7 f1 f2 13 12 ldb rdb rx-5b?block?diagram absolute?maximum?ratings characteristics symbol value unit dc?supply?voltage v dd 0.3?~?5.0 v input/output?voltage v in ,v out gnd-0.2v?~?v dd +0.2v v operating?temperature t opr -10?~?+60 c storage?temperature t stg -25~+125 c comment never?allow?a?stress?to?exceed?the?values?listed?under?"absolute?maximum?ratings",?otherwise?the?device would?suffer?from?a?permanent?damage.?nor?is?a?stress?at?the?listed?value?be?allowed?to?persist?over?a?period, since?an?extended?exposure?to?the?absolute?maximum?rating?condition?may?also?affect?the?reliability?of?the?device, if?not?causing?a?damage?thereof. electrical?characteristics TX-5B (v dd =9v,?f osc =128khz,?t amb =25 c,?unless?otherwise?specified.) characteristics symbol min. typ. max. unit operating??voltage v dd 2.2 9.0 12.0 v operating??current i dd -- -- 1.5 ma stand-by?current i stb -- 1.0 1000 m a dc?o/p?driving?current(rf) i drive -- 10.0 -- ma ac?o/p?driving?current(ir) i drive -- 6.0 -- ma ac?o/p?frequency f audio -- 500 -- hz
TX-5B/rx-5b hangzhou?silan?microelectronics?co.,ltd rev:2.1???????2004.08.03 http : www.silan.com.cn ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of?10 rx-5b (v dd =9v,?f osc =128khz,?t amb =25 c,?unless?otherwise?specified.) characteristics symbol min. typ. max. unit operating??voltage v dd 3.0 9.0 12.0 v operating??current i dd -- 30.0 -- ma o/p?driving?current i drive 5.0 -- -- ma o/p?driving?current(f1,f2) i df 5.0 -- -- ma effect?decoding??frequency?variation f tolerance -50% -- 50% -- pin?configuration pin?description TX-5B pin?no. symbol description 1 right the?rightward?function?will?be?selected?when?this?pin?is?connected?to?gnd 2 test this?pin?is?used?for?testing?mode 3 gnd negative?power?supply 4 backward the?backward?function?will?be?selected?when?this?pin?is?connected?to?gnd 5 forward the?forward?function?will?be?selected?when?this?pin?is?connected?to?gnd 6 turbo the?turbo?function?will?be?selected,?if?this?pin?is?connected?to?gnd 7 sc output?pin?of?the?encoding?signal?with?carrier?frequency 8 f34 f3?and?f4?function?select?(sequential?trigger) 9 f2 f2?function?select 10 so output?pin?of?the?encoding?signal?without?carrier?frequency 11 v dd positive?power?supply 12 pc power?control?output?pin 13 osco oscillator?output?pin 14 osci oscillator?input?pin 15 f1 f1?function?select 16 left the?leftward?function?will?be?selected?when?this?pin?is?connected?to?gnd
TX-5B/rx-5b hangzhou?silan?microelectronics?co.,ltd rev:2.1???????2004.08.03 http : www.silan.com.cn ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?4?of?10 rx-5b pin?no. symbol description 1 vo2 inverter?2?output?pin?for?signal?amplify 2 gnd negative?power?supply 3 si input?pin?of?the?encoding?signal 4 osci oscillator?input?pin 5 osco oscillator?output?pin 6,8,17,15 f1,?f2,f3,f4 f1,f2,f3,f4?function?output?pin 7 right rightward?output?pin 9 left leftward?output?pin 10 vt auto?shut-off?input?pin. if?vt?voltage?exceeds?1.4v,?all?outputs?shut?off?automatically. 11 rdb right?disable?pin. 12 ldb left?disable?pin. 13 lrtd left/right?turbo?disable?pin 14 backward backward?output?pin 16 forward forward?output?pin 18 turbo turbo?output?pin 19 v dd positive?power?supply 20 vi1 inverter?1?input?pin?for?signal?amplify 21 vo1 inverter?1?output?pin?for?signal?amplify 22 vi2 inverter?2?input?pin?for?signal?amplify function?description the?TX-5B/rx-5b?are?a?pair?of?cmos?lsis?designed?for?remote?controlled?car?applications.?the?TX-5B/rx-5b have?nine?control?keys?controlling?the?motions?(i.e.?forward,?backward,?rightward,?leftward,?and?trigger1--trigger4 functions?and?the?turbo?function)?of?the?remote?controlled?car. 1.?over-current?protection an?auto?shut-off?mechanism?is?built-in?according?to?toy?safety?requirement?and?effective?during?over-current situation?in?motor?driver.?the?active?high?input?applying?to?this?auto?shut-off?pin?will?turn?off?the?motor.?(vt?pin, when?unused,?has?to?be?connected?to?ground.?the?transfer?point=1.4v) 2.?data?format f1="1" 500hz,?3/4?duty f0="0" 500hz,?1/4?duty 3.?coding?method 3.1?when?a?trigger?pin?is?triggered,?its?data?code?will?correspond?to?the?data?format?of?"f1",?while?the?remaining pins?will?have?the?data?format?of?"f0". 3.2.?data?string:?start?code?+?data?code?+parity?code?+?end?code ???????start?code?=?f1??f1??f1??f1??f0 ???????data?code?=
TX-5B/rx-5b hangzhou?silan?microelectronics?co.,ltd rev:2.1???????2004.08.03 http : www.silan.com.cn ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?5?of?10 f b t r l f1? f3? f4? f2 f?=?forward b?=?backward t?=?turbo r?=?right l?=?left f1?=?function1 f2?=?function2 f3?=?function3 f4?=?function4 ???parity?code?=?for?parity?check ???end?code?=?for?(latch?data) ???*?data?code?can?be?any?combination?of?f,b,t,r,l,f1,f2,f3,f4?except?for??f&b,?r&l,?f3&f4. output?tables output?status function f b t r l f1 f2 f3 f4 forward h left+forward h h right+forward h h turbo h turbo+forward h h turbo+left+?forward h h h turbo+right+forward h h h backward h h backward+right h h backward+left h turbo+backward h h h trubo+backward+right h h h turbo+backward?+left h h left h right h function1 h forward+function1 h h forward+turbo+func1 h h h turbo+func1 h h backward+func1 h h backward+turbo+func1 h h h left+forward+func1 h h h right+forward+func1 h h h left+?backward?+func1 h h h right+?backward?+func1 h h h left+function1 h h right+function1 h h note:?(1)??in?the?table,?blank=f0.?rows?from?"function1"?to?"right+function1"?(the?last?row)?are?similar?for function2,?function2,?function2.?thus,?we?can?see?from?the?table?that?we?have?more?than?50 states?of?function?combinations?from?8?control?keys. ???????????(2)??h?=?high?level.
TX-5B/rx-5b hangzhou?silan?microelectronics?co.,ltd rev:2.1???????2004.08.03 http : www.silan.com.cn ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?6?of?10 ???????????(3)??lrtd?pin?functions?as?an?option?pin?for?left/right?turbo?disable.?please?refer?to?the?following?table. "lrtd" key?selected output?function high?(open) forward+left?(right)+?turbo forward+left?(right)+?turbo low forward+left?(right)+?turbo forward+left?(right) testing?circuit (fosc?for?rx-5b ? 128khz,?fosc?for?TX-5B ? 128khz) TX-5B?output?pin?(so)?has?an?inverted?phase?with rx-5b? input? (si).? if? TX-5B&rx-5b? are? connected without? using? a? rf? module,? an? inverter? has? to? be inserted?between?these?2?pins,?as?shown?below. 11 10 TX-5B so vdd 15 3 rx-5b si vdd vdd v dd connect?directly TX-5B? f34? is? sequential? trigger? pin,? it? controls f3&f4?output?at?the?receiver. f34b (tx?input) f3 (rx?output) f4 (rx?output) rx-5b?r6,?index v dd r6 12 270 w 9 180 w 6 68 w
TX-5B/rx-5b hangzhou?silan?microelectronics?co.,ltd rev:2.1???????2004.08.03 http : www.silan.com.cn ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?7?of?10 typical?application?circuit transmitter?(TX-5B?fosc ? 128khz) receiver?(rx-5b?fosc ? 128khz) 19 20 18 22 21 c9 220 - f c8 47 - f d1?in4148 r6 ?270 ? r5 ?100 ? r4 ?3.3k ? c7 47 - f c12 500pf r7 ?330 ? c11 0.01 - f r9 ?3.3k ? c10 0.1 - f l1 c4 0.01 - f r2 ?3.3k ? r1 ?5.6k ? c3 47pf c1 10pf c2 15pf t1 r3 ?1.2k ? c5 3.3 - f c6 0.002 - f l2 r10 ?3.9m ? r8 ?3.9m ? rx-5b for- ward turbo v dd vi1 vo1 vi2 17 16 2 1 4 3 5 r13 ?3.3k ? r14?110k ? fosc=128khz c13 0.002 - f vo2 gnd si osci osco f1 6 7 15 12 14 13 vt lrtd back- ward 11 8 10 9 c14 10 - f r15 ?1m ? d2?in4148 r17?330 ? r18?330 ? r16 ?1 ? right f2 left rdb ldb f4 f3 m1 12v sw c15 100 - f r22 100 ? r23 330 ? motor t10 t11 t9 t7 t8 t6 r21 330 ? r11?330 ? r12?330 ? r24 10 ? (1w) r20 ?100 ? r19 220 ? m2 0v motor t2 t5 t3 t4 c17?0.1 - f r25 220 ?
TX-5B/rx-5b hangzhou?silan?microelectronics?co.,ltd rev:2.1???????2004.08.03 http : www.silan.com.cn ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?8?of?10 package?outline dip-16-300-2.54 unit:?mm dip-22-400-2.54 unit:?mm
TX-5B/rx-5b hangzhou?silan?microelectronics?co.,ltd rev:2.1???????2004.08.03 http : www.silan.com.cn ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?9?of?10 package?outline?(continued) sdip-22-300-2.54??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????unit:?mm 6 . 6 0 0 . 2 5 4 . 3 6 m a x 3 . 0 0 m i n 7 . 6 2 0 . 2 5 0 . 0 5 0 . 5 1 m i n 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.
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