M48T128Y-85PM1TR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M48T128Y-85PM1TR

5.0 or 3.3V, 1 Mbit (128 Kb x 8) TIMEKEEPER ®SRAM

STMicroelectronics 

Figure 4. Block Diagram

32,768 Hz

CRYSTAL

LITHIUM

CELL

OSCILLATOR AND

CLOCK CHAIN

POWER

VOLTAGE SENSE

AND

SWITCHING

CIRCUITRY

VPFD

M48T128Y, M48T128V*

8x8

TIMEKEEPER

REGISTERS

131,064 x 8

SRAM ARRAY

A0-A16

DQ0-DQ7

E

W

G

VCC

VSS

AI01804

5/22

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