M48T248VPM(2003) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M48T248VPM
(Rev.:2003)

5.0 or 3.3V, 1024K TIMEKEEPER® SRAM with PHANTOM

STMicroelectronics 

Figure 4. Block Diagram

M48T248Y, M48T248V

CE

OE

WE

RST

32.768 Hz

CRYSTAL

CONTROL

LOGIC

READ

WRITE

POWER

FAIL

XO

CLOCK/CALENDAR

LOGIC

XI

UPDATE

TIMEKEEPER

REGISTER

SRAM

ACCESS

ENABLE

SEQUENCE

DETECTOR

COMPARISON

REGISTER

A0–A16

DQ0–DQ7

DQ0

I/O

BUFFERS

VCC

DATA

INTERNAL VCC

POWER-FAIL

DETECT

LOGIC

VBAT

AI04238

5/24

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