LC737212 Просмотр технического описания (PDF) - SANYO -> Panasonic

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Компоненты Описание

производитель

LC737212

Telephone Dialer IC with On-Chip Memory for PushButton Telephones

SANYO -> Panasonic 

Pin Internal Circuit

Pin No.

Pin

1 to 6

30 to 36

R1 to R5

C1 to C8

7 to 14

17

29

SOUT-ENA

HOLDOFF IN

ON-HOOKDIAL IN

SI/KEY

OFF-HOOK

DPR

P/T

BMR

OF/ON-HOOK STORE

DISCON IN

15

XIN

16

XOUT

22 to 25

MUTE2

MUTE1

S-OUT

DP

20

26 to 28

SP-CTL

K-TINE

HOOK-CTL

HOLD-OUT

21

DTMF

LC737212, 737212M

Internal equivalent circuit

No. 5203-11/27

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