三合微科股份有限公司
64 KEYS ENCODER
SM5025A/B
GENERAL DESCRIPTION
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.
FEATURE
* Low voltage operation ......VDD = 2.0 to 3.3V * Low power consumtpion ..... IDD < 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
APPLICATIONS
1. Audio Remote Control 2. Video Remote Control 3. Consumer Product Remote Control
PIN ASSIGNMENTS
KI2 KI3 KI4 KI5 KI6 KI7 Dout VDD SEL OSCO OSCI VSS
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
KI1 KI0 CODE KI/O0 KI/O1 KI/O2 KI/O3 KI/O4 KI/O5 KI/O6 KI/O7 LED
KI2 KI3 KI4 KI5 KI6 KI7 Dout VDD SEL OSCO OSCI VSS
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
KI1 KI0 CODE KI/O0 KI/O1 KI/O2 KI/O3 KI/O4 KI/O5 KI/O6 KI/O7 LED
24 PIN DIP IN 300MIL
24 PIN SOP IN 300MIL
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