M48Z128V datasheet(5/21 Pages) STMICROELECTRONICS

Part #	M48Z128V

Description	5.0V OR 3.3V, 1 Mbit (128 Kbit x 8) ZEROPOWER SRAM

PDF	21 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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M48Z128, M48Z128Y, M48Z128V*

Figure 5. Hardware Hookup for Equivalent Surface-Mount (SMT) Solution

Note: For pin connections, see individual data sheet for M48Z300/300W at www.st.com.

1. Connect THS pin to VOUT if 4.2V ≤ VPFD ≤ 4.5V (M48Z128Y) or connect THS pin to VSS if 4.5V ≤ VPFD ≤ 4.75V (M48Z128).

2. Connect THS pin to VSS if 2.8V ≤ VPFD ≤ 3.0V (M48Z128V).

3. SNAPHAT® Top ordered separately.

Table 2. Equivalent Surface-Mount (SMT) Solution

Note: 1. Connection of Threshold Select Pin (Pin 13) of SUPERVISOR (M40Z300/300W).

NVRAM

LPSRAM

SUPERVISOR

THS Pin(1)

M48Z128

5V 1Mb LPSRAM

M40Z300

VSS

M48Z128Y

5V 1Mb LPSRAM

M40Z300

VOUT

M48Z128V

3V 1Mb LPSRAM

M40Z300W

VSS

AI03625

E1CON

VSS

VOUT

THS

(1,2)

M40Z300/W

E2CON

E3CON

E4CON

VSS

VCC

1Mb LPSRAM

A0-A16

DQ0-DQ7

SNAPHAT

BATTERY

(3)

RST

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