M48Z128-70CS1 datasheet(1/17 Pages) STMICROELECTRONICS

Part #	M48Z128-70CS1

Description	1 Mbit 128Kb x8 ZEROPOWER SRAM

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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June 2000

M48Z128

M48Z128Y

1 Mbit (128Kb x8) ZEROPOWER® SRAM

s

INTEGRATED LOW POWER SRAM,

POWER-FAIL CONTROL CIRCUIT and

BATTERY

s

CONVENTIONAL SRAM OPERATION;

UNLIMITED WRITE CYCLES

s

10 YEARS of DATA RETENTION in the

ABSENCE of POWER

s

AUTOMATIC POWER-FAIL CHIP DESELECT

and WRITE PROTECTION

s

WRITE PROTECT VOLTAGES

(VPFD = Power-fail Deselect Voltage):

– M48Z128: 4.50V

≤ VPFD ≤ 4.75V

– M48Z128Y: 4.20V

≤ VPFD ≤ 4.50V

s

BATTERY INTERNALLY ISOLATED UNTIL

POWER IS APPLIED

s

PIN and FUNCTION COMPATIBLE with

JEDEC STANDARD 128K x 8 SRAMs

s

SURFACE MOUNT CHIP SET PACKAGING

INCLUDES a 28-PIN SOIC and a 32-LEAD

TSOP (SNAPHAT TOP TO BE ORDERED

SEPARATELY)

s

SOIC PACKAGE PROVIDES DIRECT

CONNECTION for a SNAPHAT TOP WHICH

CONTAINS the BATTERY

s

SNAPHAT® HOUSING (BATTERY) IS

REPLACEABLE

Figure 1. Logic Diagram

AI01194

17

A0-A16

W

DQ0-DQ7

VCC

M48Z128

M48Z128Y

G

VSS

8

E

Table 1. Signal Names

A0-A16

Address Inputs

DQ0-DQ7

Data Inputs / Outputs

E

Chip Enable

G

Output Enable

W

Write Enable

VCC

Supply Voltage

VSS

Ground

NC

Not Connected Internally

32

1

TSOP32

(8 x 20mm)

SOH28

Surface Mount Chip Set Solution (CS)

SNAPHAT (SH)

Battery

PMDIP32 (PM)

Module

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Manufacturer	Part #	Datasheet	Description
STMicroelectronics	M48Z129Y	94Kb / 13P	3.3V/5V 1 Mbit 128Kb x8 ZEROPOWER SRAM
	M48T128Y	340Kb / 22P	3.3V-5V 1 Mbit 128Kb x8 TIMEKEEPER SRAM
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M48Z128-70CS1 Datasheet(PDF) 1 Page - STMicroelectronics

M48Z128-70CS1 Datasheet(HTML) 1 Page - STMicroelectronics

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