M48T512V 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

生产厂家

M48T512V

5.0 or 3.3V, 4 Mbit (512 Kbit x 8) TIMEKEEPER® SRAM

STMicroelectronics 

Figure 4. Block Diagram

M48T512Y, M48T512V*

32,768 Hz

CRYSTAL

LITHIUM

CELL

OSCILLATOR AND

CLOCK CHAIN

8x8

TIMEKEEPER

REGISTERS

POWER

VOLTAGE SENSE

AND

SWITCHING

CIRCUITRY

VPFD

524,280 x 8

SRAM ARRAY

A0-A18

DQ0-DQ7

E

W

G

VCC

VSS

AI02384

5/21

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