TX-2B/RX-2B. Silan Semiconductors Û REMOTE CONTROLLER WITH FIVE FUNCTIONS HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD DESCRIPTION FEATURES

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1 Semiconductors REMOTE CONTROLLER WITH IVE UNCTIONS DESCRIPTION The is a pair of CMOS LSIs designed for remote controlled car applications. The has five control keys for controlling the motions (i.e. forward, backward, rightward, leftward and the turbo function ) of the remote controlled car. EATURES * Wide operating voltage range (VCC=.~.0V) * Low stand-by current * Auto-power-off function for TX-B * ew external components are needed TX-B RX-B DIP- DIP- ORDERING INORMATION Part No. Package TX-B DIP RX-B DIP BLOCK DIAGRAM OSC TEST B OSCI OSCO Oscillator Timing Generator RIGHT V DD LET TURBO ORWARD Latch Circuit Encoding Circuit Logic 0 PC SO SC BACKWARD TRANSMITTER TX-B Block Diagram 00.0.

2 Semiconductors BLOCK DIAGRAM OSCI Oscillator Timing Generator V DD OSCO SI AMP Decoding Circuit Computer VO VI PLA LDB RDB Control Logic RIGHT LET VI Latch Circuit 0 TURBO BACKWARD VO ORWARD RECEIVER RX-B Block Diagram PIN CONIGURATION RIGHT LET VO VI TEST OSC VO ACKWARD ORWARD TX-B 0 OSCI OSCO PC SI OSCI OSCO RX-B VI VDD TURBO TURBO VDD RIGHT ORWARD SC SO LET 0 BACKWARD ROB LDB 00.0.

3 Semiconductors ABSOLUTE MAXIMUM RATINGS Characteristic Symbol Value Unit Supply Voltage VDD 0.~.0 V Input / Output Voltage VIN, VOUT -0.~VDD+0. V Operating Temperature TOPR -0~ C Storage Temperature Tstg -~ C ELECTRICAL CHARACTERISTICS. TX-B (VDD=.0V, osc=khz, Tamb = C, unless otherwise specified.) Characteristic Symbol Min Typ Max Unit Operating Voltage VDD..0.0 V Operating Current IDD ma Stand-By Current ISTB µa DC O/P Driving Current Idrive ma AC O/P Driving Current Idrive ma AC O/P requency audio khz. RX-B (VDD=.0V,osc=KHz, Tamb= C, unless otherwise specified.) characteristic Symbol Min Typ Max Unit Operating Voltage VDD..0.0 V Operating Current IDD ma O/P Driving Current Idrive ma O/P Sinking Current Isink ma Effect Decoding requency Variation tolerance % PIN DESCRIPTION. TX-B Pin No. Symbol Description RIGHT The rightward function will be selected, if this pin is connected to TEST This pin is used for testing mode Negative power supply BACKWARD The backward function will be selected, if this pin is connected to ORWARD The forward function will be selected, if this pin is connected to (To be continued) 00.0.

4 (Continued) Semiconductors Pin No. Symbol Description TURBO The turbo function will be selected if this pin is connected to SC Output pin of the encoding signal with carrier frequency SO Output pin of the encoding signal without carrier frequency VDD Positive power supply 0 PC Power control output pin OSCO Oscillator output pin OSCI Oscillator input pin OSC This pin is used for testing mode LET The leftward function will be selected, if this pin is connected to. RX-B Pin No. Symbol Description VO Inverter output pin for power amplify Negative power supply SI Input pin of the encoding signal OSCI Oscillator input pin OSCO Oscillator output pin RIGHT Rightward output pin LET Leftward output pin ROB Rightward function disable, if this pin is connected to LDB Leftward function disable, if this pin is connected to 0 BACKWARD Backward output pin ORWARD orward output pin TURBO TURBO output pin VDD Positive power supply VI Inverter input pin for power amplify VO Inverter output pin for power amplify VI Inverter input pin for power amplify 00.0.

5 CODE ORMAT Semiconductors. ENCODE RULE (A).Bit ormat (W is used for function codes,w for start codes) KHz W KHz 0% Duty cycle W 00Hz % Duty cycle (B).Date ormat W W W W (n) X W W W W W (n) X W W W W W W W W W W W W W W W n-th start code nxw function code word W W W W Number Of unction Code (N) W unction Key Decode Result End Code 0 orward orward orward & Turbo orward Turbo Turbo Turbo & orward & Left orward & Left Turbo & orward & Right orward & Right 0 Backward Backward Backward & Right Backward & Right Backward & Left Backward & Left Left Left Right Right 00.0.

6 Semiconductors. ENCODE/DECODE TIMING Any function key Encode output st word nd word rd word end code Decode output ms ms SI ms (n) W ms ms Decode output T T=ms+(nW)xms TESTING CIRCUIT (The oscillator frequency of TX-B, RX-B is KHz, the oscillator resistor is 0KΩ and 0KΩ respectively) forward VCC=V 00 fosc=khz 0 TX-B RX-B turbo backward 0 left right backward forward turbo fosc=khz right left 00.0.

7 Semiconductors TYPICAL APPLICATION CIRCUIT TRANSMITTER Rosc=00k 0 SI VCC R.. CIRCUIT TX-B left right backward forward turbo RECEIVER 00 0 power switch.v RX-B VCC R.. CIRCUIT 00k 00.0.

8 Semiconductors INRARED APPLICATION CIRCUIT TRANSMITTER DC:V 00 fosc=khz 0 TX-B Photo Diode ~. Left Right Backw ard rontwar d Turbo C00 RECEIVER DC:V 0 00K 00 RX-B OUT VDD IR Receiver fosc=khz 00.0.

9 Semiconductors RECOMMENDED APPLICATION CIRCUIT R L LED VDD=V.k B TX-B Rosc=0K 0 0k XTAL MHz L. H P 0P L. H P L. H L TURBO 0 0P.0V Q C 00 P K P Q C 00 0P T 0.mm ( ) x mm(core) P 0P C 0P L.. 0 C P Q 0k R C 0P C P P T 0.mm ( ) x mm(core).k 0.k /V L.0V VDD=V,R=0 VDD=V,R=0 0 /V N Q: C0,C,C0,C Q,Q,Q: 0,C0,B Q,Q: C00,0,D Q,Q: B,C0,B Q,Q0: D,C00,D Q 00 /V 0P VDD 0P P.k.MO 0P 0P 0 0P 0.M k R C k C ko Q Q M P Q Q C R VDD Rosc=0K RX-B turbo R,R,R,R=0~0,are changeable with the VDD and VDD. right forward left 0 backward R Q Q R k k C M C Q P Q

10 Semiconductors PACKAGE OUTLINE DIP UNIT: mm. 0..B B.B0.. degree 0.MIN.00MIN.MAX 0.B0.0.0MAX DIP UNIT: mm. 0..B B.B0.. degree 0.MIN.00MIN.MAX 0.B0. 0.B0.0.MAX

11 This datasheet has been downloaded from: ree Download Daily Updated Database 00% ree Datasheet Search Site 00% ree IC Replacement Search Site Convenient Electronic Dictionary ast Search System All Datasheets Cannot Be Modified Without Permission Copyright Each Manufacturing Company

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