Page 1
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.
Page 2
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
Page 3
ABSOLUTE MAXIMUM RATINGS
Symbol
ELECTRICAL CHARACTERISTICS
Tamb = 25°C)
TYPICAL APPLICATION CIRCUIT
Max
12
----
----
20%
Characteristic
Supply Voltage VDC
Input/Output Voltage VI/O
Operating Temperature TOPR
Storage Temperature TSTG
(VDD=6.0V,Fosc=76KHz,
Parameter
Operating Voltage
Operating Current
O/P Driving Current
Effect Decoding Frequency Variation
DATA FORMAT
Value
0.3~15
GND-0.3~VDD+0.3
-10~60
-25~125
Symbol Min Typ
VDD 2.2 6.0
Idd ---- 8
Idrive 3 ----
Tolerance -20% ----
Unit
V
V
°C
°C
Unit
V
mA
mA
----
Forward Signal: F1=1kHz
Backward Signal: F2=250Hz
Page 4
PACKAGE OUTLINE
UINT:mm
Page 5
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