SM5262B
SAMHOP Microelectronics Corp.
312 RF ENCODER
GENERAL DESCRIPTION
The SM5262B is a RF remote control encoder pai...
SM5262B
SAMHOP Microelectronics Corp.
312 RF ENCODER
GENERAL DESCRIPTION
The SM5262B is a RF remote control encoder paired with SM5272B. It utilizes
CMOS technology. The chip has 12 bits of 3-state address pins that provides 312 codes. SM5262B/ SM5272B pair is suitable for use on remote controller.
FEATURES
*
CMOS technology * Low power consumption * 12 tri-state pins * Wide range operating
voltage, Vcc = 2.5-12V * Up to six data bits * High noise immunity
APPLICATIONS
* Garage Door * Ceiling Fan * Toys
PIN ASSIGNMENTS
A0 A1 A2 A3 A4 A5 A6/D5 A7/D4 Vss
1 2 3 4 5 6 7 8 9 SM5262B
18 17 16 15 14 13 12 11 10
VDD Dout OSC1 OSC2 TE A11/D0 A10/D1 A9/D2 A8/D3
A0 A1 A2 A3 A4 A5 A6/D5 A7/D4 Vss NC
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
VDD Dout OSC1 OSC2 TE A11/D0 A10/D1 A9/D2 A8/D3 NC
SM5262BS
Page 1
OCT. 2001
SM5262B
SAMHOP Microelectronics Corp.
312 RF ENCODER
A0 A1 A2 A3 A4 A5 A6/D5 A7/D4 Vss
1 2 3 4 5 6 7 8 9
18 17 16 15 14 13 12 11 10
VDD Dout OSC1 OSC2 LED A11/D0 A10/D1 A9/D2 A8/D3
A0 A1 A2 A3 A4 A5 A6/D5 A7/D4 Vss NC
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
VDD Dout OSC1 OSC2 LED A11/D0 A10/D1 A9/D2 A8/D3 NC
SM5262B-DX
SM5262BS-DX
BLOCK DIAGRAM
Vss VDD
OSC2
System Timing Generator
A0 A1 A2 A3 A4 A5 A6/D5 A7/D4 A8/D3 A9/D2 A10/D1 A11/D0
OSC
OSC1
Control Logic Address
TE LED
Code Generator
Output Driver
Dout
Page 2
OCT. 2001
SM5262B
SAMHOP Microelectronics Corp.
312 RF ENCODER
PIN FUNCTION
No. 1 2 3 4 5 6 7 8 9 10 11 12...