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The SM5025A/B is an infrared remote control
encoder LSI utilizing CMOS technology.
The transmission code consists of "leader
pulse", "16 bit customer code", and "16 bit
data code". Using Micro-processors for
decoder,various

applications

can

be realized.

PIN ASSIGNMENTS

1
2
3
4
5
6
7
8
9

10
11
12

24
23
22
21
20
19
18
17
16
15
14
13

24 PIN DIP IN 300MIL

24 PIN SOP IN 300MIL

GENERAL DESCRIPTION

SM5025A/B

64 KEYS ENCODER

APPLICATIONS

1. Audio Remote Control
2. Video Remote Control
3. Consumer Product Remote Control

FEATURE

* Low voltage operation ......V

= 2.0 to 3.3V

* Low power consumtpion ..... I

DD < 1

A at

standby mode
* 64 function keys and 3 double action keys
* 128 + 6 function codes are available.
(Using SEL terminal)
* 65536 customer codes can be selected.
(Using external R, Diode-SM5025A or
internal MASK ROM-SM5025IRB)
* 24pin SOP or DIP

KI2
KI3
KI4
KI5
KI6
KI7

Dout

SEL

OSCO

OSCI

KI1
KI0
CODE
KI/O0
KI/O1
KI/O2
KI/O3
KI/O4
KI/O5
KI/O6
KI/O7
LED