REMOTE CONTROL
Dual chanel
can be used
or
(Vcc=2.2~12V)
ORDERING INFORMATION
applications.
DESCRIPTION
A CMOS designed chip, RX-3E
CHIP
for remote controlling, such as car and toy
The RX-3 use
2-keys to produce, forward, backward
FEATURES
*Wide operating voltage range
*Few external components are needed.
*Typical oscillator frequency 76KHz
*RX-3E built-in Zener 3.6V
Part No.
RX-3E DIP-8-300-2.54
Package
PIN ASSIGNMENT
on/off, 3-status motor actions.
BLOCK DIAGRAM
1
7
8
2
3
AMP
4
5
6
1.GND 2.OSCI
Oscillator
Timing
generator
Decoding
Circuit
Control
Logic
Counter
PLA
Latch
Circuit
3.OSCO 4.BACK
5.FOWER 6.VDD
7.VI1 .8.VO1
PIN DESCRIPTION
Pin No.
1 GND Ground
2 OSCI Oscillator input pin
3 OSCO Oscillator output pin
4 BACKWARD Backward output pin
5 FORWARD Forward output pin
6 VDD Power supply
7 VI1 Inverter 1 input pin for signal amplify
8 VO1 Inverter 1 output pin for signal amplify
Symbol Description
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