M48Z512A_06 datasheet(7/24 Pages) STMICROELECTRONICS

Part #	M48Z512A

Description	4 Mbit (512 Kbit x 8) ZEROPOWER SRAM

PDF	24 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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M48Z512A M48Z512AY M48Z512AV

Device overview

7/24

Figure 4.

Hardware hookup for equivalent Surface-Mount (SMT) solution

For pin connections, see individual datasheet for M48Z300/300W at www.st.com.

Connect THS pin to VOUT if 4.2V ≤ VPFD ≤ 4.5V (M48Z512AY) or connect THS pin to VSS if 4.5V ≤ VPFD ≤ 4.75V

(M48Z512A).

Connect THS pin to VSS if 2.8V ≤ VPFD ≤ 3.0V (M48Z512AV).

SNAPHAT® top ordered separately.

Table 2.

Equivalent Surface-Mount (SMT) solution

NVRAM

LPSRAM

Supervisor

THS pin(1)

Connection of Threshold Select pin (Pin 13) of Supervisor (M40Z300/300W).

M48Z512A

5V 4Mb LPSRAM

M40Z300

VSS

M48Z512AY

5V 4Mb LPSRAM

M40Z300

VOUT

M48Z512AV

3V 4Mb LPSRAM

M40Z300W

VSS

AI03631

E1CON

VSS

VOUT

THS

(2)(3)

M40Z300/W

E2CON

E3CON

E4CON

VSS

VCC

4Mb LPSRAM

A0-A18

DQ0-DQ7

SNAPHAT

BATTERY

(4)

RST

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