器件名称: SM5272BS-5
功能描述: 3 RF DECODER
文件大小: 52.54KB 共12页
简 介:SM5272B
SAMHOP Microelectronics Corp.
312 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 312) 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
SM5272B
SAMHOP Microelectronics Corp.
312 RF DECODER
PIN ASSIGNMENTS ( DIP )
A0 A1 A2 A3 A4 A5 A6 A7 Vss
1 2 3 4 5 6 7 8 9 SM5272B
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
SM5272B-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 A3 A4 A5 A6 A7 Vss
1 2 3 4 5 6 7 8……
