M48T35(2011) 데이터 시트보기 (PDF) - STMicroelectronics

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M48T35
(Rev.:2011)

5 V, 256 Kbit (32 Kb x 8) TIMEKEEPER® SRAM

STMicroelectronics 

M48T35, M48T35Y

Figure 4. Block diagram

32,768 Hz

CRYSTAL

LITHIUM

CELL

OSCILLATOR AND

CLOCK CHAIN

8 x 8 BiPORT

SRAM ARRAY

POWER

VOLTAGE SENSE

AND

SWITCHING

CIRCUITRY

VPFD

32,760 x 8

SRAM ARRAY

VCC

VSS

Description

A0-A14

DQ0-DQ7

E

W

G

AI01623

Doc ID 2611 Rev 10

7/28

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