M48Z08-150PC1 STMicroelectronics, M48Z08-150PC1 Datasheet

M48Z08-150PC1

Manufacturer Part Number

M48Z08-150PC1

Description

Manufacturer

STMicroelectronics

Datasheets

1.M48Z08-150PC1.pdf (12 pages)

2.M48Z08-150PC1.pdf (12 pages)

3.M48Z08-150PC1.pdf (18 pages)

Specifications of M48Z08-150PC1

Package

DIP24

Date_code

0844+

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BOSTOCK HK LIMITED

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DESCRIPTION

The M48Z02/12 ZEROPOWER

non-volatile static RAM which is pin and functional

compatible with the DS1220.

A special 24 pin 600mil DIP CAPHAT

houses the M48Z02/12 silicon with a long life lith-

ium button cell to form a highly integrated battery

backed-up memory solution.

The M48Z02/12 button cell has sufficient capacity

and storage life to maintain data and clock function-

ality for an accumulated time period of at least 10

years in the absence of power over the operating

temperature range.

Table 1. Signal Names

May 1999

A0-A10

DQ0-DQ7

INTEGRATED ULTRA LOW POWER SRAM,

POWER-FAIL CONTROL CIRCUIT and

BATTERY

UNLIMITED WRITE CYCLES

READ CYCLE TIME EQUALS WRITE CYCLE

TIME

AUTOMATIC POWER-FAIL CHIP DESELECT and

WRITE PROTECTION

WRITE PROTECT VOLTAGES

– M48Z02: 4.50V

– M48Z12: 4.20V

SELF-CONTAINED BATTERY in the CAPHAT

DIP PACKAGE

PIN and FUNCTION COMPATIBLE with

JEDEC STANDARD 2K x 8 SRAMs

PFD

= Power-fail Deselect Voltage):

Address Inputs

Data Inputs / Outputs

Chip Enable

Output Enable

Write Enable

Supply Voltage

Ground

PFD

4.75V

4.50V

RAM is a 2K x 8

16 Kbit (2Kb x 8) ZEROPOWER

package

Figure 1. Logic Diagram

A0-A10

Battery CAPHAT

V CC

PCDIP24 (PC)

V SS

M48Z02

M48Z12

M48Z02

M48Z12

DQ0-DQ7

SRAM

AI01186

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