UAA4000 Datasheet | STMicroelectronics

REMOTE CONTROL TRANSMITTER . ULTRASONIC OR INFRA-RED TRANSMISSION . DIRECT DRIVE FOR ULTRASONIC TRANSDUCER . DIRECT DRIVE OF VISIBLE LED WHEN USING INFRA-RED . VERY LOW POWER REQUIREMENTS . PULSE POSITION MODULATION GIVES EX- CELLENT IMMUNITY FROM NOISE AND MULTIPATH REFLECTIONS . SINGLE POLE KEY MATRIX . SWITCH RESISTANCE UP TO 1kΩ TOLER- ATED . FEW EXTERNAL PONENTS . ANTI-BOUNCE CIRCUITRY ON CHIP QUICK REFERENCE DATA . POWER SUPPLY : 9 V, STANDBY 6 µA, OPERATING 8 mA . MODULATION : PULSE POSITION WITH OR WITHOUT CARRIER . CODING : 5 BITS WORD GIVING A PRIMARY MAND SET OF 32 MANDS . KEY ENTRY : 8 x 4 SINGLE POLE KEY MATRIX . DATE RATE : SELECTABLE 1 BIT/SEC TO 10 K...