3 RF ENCODER
SM5172
SAMHOP Microelectronics Corp.
312 RF ENCODER
GENERAL DESCRIPTION
SM5172 is a remote control decoder paired with ...
Description
SM5172
SAMHOP Microelectronics Corp.
312 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 312) 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
SM5172
SAMHOP Microelectronics Corp.
312 RF ENCODER
PIN ASSIGNMENTS ( DIP )
A0 A1 A2 A3 A4 A5 A6 A7 Vss
1 2 3 4 5 6 7 8 9 SM5172
18 17 16 15 14 13 12 11 10
Vcc VT OSC1 OSC2 DIN A11 A10 A9 A8
A0 A1 A2 A3 A4 A5 A6 A7 Vss
1 2 3 4 5 6 7 8 9
18 17 16 15 14 13 12 11 10
Vcc VT OSC1 OSC2 DIN D0 D1 A9 A8
SM5172-M2/L2
A0 A1 A2 A3 A4 A5 A6 A7 Vss
1 2 3 4 5 6 7 8 9
18 17 16 15 14 13 12 11 10
Vcc VT OSC1 OSC2 DIN D0 D1 D2 A8
A0 A1 A2...
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