SC91650A 데이터 시트보기 (PDF) - Silan Microelectronics

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SC91650A

13 MEMORY TONE / PULSE DIALER WITH REDIAL SAVE HANDFREE & HOLD FUNCTION

Silan Microelectronics 

Silan

Semiconductors

BLOCK DIAGRAM

SC91650/1/2 A/B

COL1

COL2

COL3

COL4

COL5

OSCI

OSCO

ROW1

ROW2

ROW3

ROW4

VDD

OSC.

INPUT INTERFACE CKT.

SAVE MEMORY

DIVIDER

LNB MEMORY

MEMORY

INPUT INTERFACE CKT.

PULSE

GENERATOR

DECODER &

DATA LATCH

ROW/COLUMN

PROGRAMMING

COUNTER

D/A CONVERTER

PO

TONE

VDD

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

REV: 1.0

2001.01.15

3

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