三合微科股�½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5272B
3
12
RF DECODER
GENERAL DESCRIPTION
SM5272B is a remote control decoder paired
with SM5262B utilizing CMOS Technology.
It has 12-bit tri-state address pins providing a
maximum of 531,411 (or 3
12
) address codes;
thereby, drastically reducing any code
collision and unauthorized code scanning
possibilities. SM5272B is available in
several options to suit every application
needs : variable number of data output pins,
latch or momentary output type.
FEATURES
* CMOS Technology
* Low power consumption
* Very high noise immunity
* Up to 12 tri-State code address pins
* Up to 6 data pins
* Wide range of operating voltage:
Vcc= 2.5 ~ 9 Volts
* Single resistor oscillator
* Latch or momentary output type
* Available in DIP and SOP package
APPLICATIONS
* Garage door
* Toys
* Remote control for industrial use
BLOCK DIAGRAM
DIN
Signal
Re-Shap
Decode
Timing
Generator
Address
Compare
Data
Compare
VT
OSC
Address
Data
OSC1 OSC2
A0
A5
A6/D5 A11/D0
Page 1
OCT. 26, 2001
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
