三合微科股�½有限公司
S
AM
H
OP
Microelectronics Corp.
SM5172
3
12
RF ENCODER
GENERAL DESCRIPTION
SM5172 is a remote control decoder paired
with SM5162 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. SM5172 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= 3 ~ 12 Volts
* Single resistor oscillator
* Latch or momentary output type
* Available in DIP and SOP package
APPLICATIONS
* Car security
* Garage door
* Home security/Automation system
* 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. 2001
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
