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M48Z128Y Datasheet(PDF) 5 Page - STMicroelectronics

Part No. M48Z128Y
Description  5.0V OR 3.3V, 1 Mbit (128 Kbit x 8) ZEROPOWER SRAM
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M48Z128Y Datasheet(HTML) 5 Page - STMicroelectronics

 
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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)
A
M40Z300/W
E
B
E2CON
E3CON
E4CON
VSS
E2
VCC
1Mb LPSRAM
E
A0-A16
W
DQ0-DQ7
SNAPHAT
BATTERY
(3)
RST
BL


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