M40SZ100Y_07 STMICROELECTRONICS [STMicroelectronics], M40SZ100Y_07 Datasheet

M40SZ100Y_07

Manufacturer Part Number

M40SZ100Y_07

Description

5V or 3V NVRAM supervisor for LPSRAM

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.M40SZ100Y_07.pdf (25 pages)

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Features

■

a. Contact local ST sales office for availability.

November 2007

Convert low power SRAMs into NVRAMs

5V or 3V operating voltage

Precision power monitoring and power

switching circuitry

Automatic write-protection when V

tolerance

Choice of supply voltages and power-fail

deselect voltages:

– M40SZ100Y: V

– M40SZ100W: V

Reset output (RST) for power on reset

1.25V reference (for PFI/PFO)

Less than 10ns chip enable access

propagation delay (at 5V)

Optional packaging includes a 28-lead SOIC

and SNAPHAT

28-lead SOIC package provides direct

connection for a SNAPHAT top which contains

the battery

Battery low pin (BL)

RoHS compliant

–

4.20V

2.55V

Lead-free second level interconnect

(a)

PFD

top (to be ordered separately)

4.50V

2.70V

= 4.5 to 5.5V;

= 2.7 to 3.6V;

5V or 3V NVRAM supervisor for LPSRAM

is out-of-

Rev 2

SNAPHAT (SH) battery

SOH28 (MH)

SO16 (MQ)

M40SZ100W

M40SZ100Y

(a)

www.st.com

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