M48Z128Y-70PM1 Datasheet M48Z128-70PM1, AT45DB081D-MU, AT45DB081D-SSU | P1-P3

Not recommended for new design

This is information on a product still in production but not recommended for new designs.

September 2011 Doc ID 2426 Rev 6 1/20

M48Z128

M48Z128Y

5.0 V, 1 Mbit (128 Kbit x 8) ZEROPOWER

SRAM

Features

■ Integrated, ultra low power SRAM, power-fail

control circuit, and battery

■ Conventional SRAM operation; unlimited

WRITE cycles

■ 10 years of data retention in the absence of

power

■ Battery internally isolated until power is first

applied

■ Automatic power-fail chip deselect and WRITE

protection

■ WRITE protect voltages:

PFD

= power-fail deselect voltage)

–M48Z128: V

= 4.75 to 5.5 V;

4.5 V ≤ V

PFD

≤ 4.75 V

–M48Z128Y: V

= 4.5 to 5.5 V;

4.2 V ≤ V

PFD

≤ 4.5 V

■ Pin and function compatible with JEDEC

standard 128 K x 8 SRAMs

■ RoHS compliant

– Lead-free second level interconnect

PMDIP32 module

www.st.com

Obsolete Product(s) - Obsolete Product(s)

Contents M48Z128, M48Z128Y

2/20 Doc ID 2426 Rev 6

Contents

1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 READ mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2 WRITE mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.3 Data retention mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4 V

noise and negative going transients . . . . . . . . . . . . . . . . . . . . . . . . . 11

3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4 DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

5 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

6 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7 Environmental information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Obsolete Product(s) - Obsolete Product(s)

M48Z128, M48Z128Y List of tables

Doc ID 2426 Rev 6 3/20

List of tables

Table 1. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Table 2. Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 3. READ mode AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Table 4. WRITE mode AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Table 5. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table 6. Operating and AC measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 7. Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 8. DC characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Table 9. Power down/up AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 10. Power down/up trip points DC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 11. PMDIP32 – 32-pin plastic DIP module, package mechanical data. . . . . . . . . . . . . . . . . . . 16

Table 12. Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 13. Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Obsolete Product(s) - Obsolete Product(s)

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P20

M48Z128Y-70PM1

Mfr. #:

Buy M48Z128Y-70PM1

Manufacturer:

STMicroelectronics

Description:

IC NVSRAM 1M PARALLEL 32PMDIP

Lifecycle:

New from this manufacturer.

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M48Z128Y-70PM1

M48Z128Y-70PM1

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