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M40SZ100Y

STMicroelectronics
Part Number M40SZ100Y
Manufacturer STMicroelectronics
Description NVRAM supervisor
Published Apr 26, 2016
Detailed Description M40SZ100Y M40SZ100W 5V or 3V NVRAM SUPERVISOR FOR LPSRAM FEATURES SUMMARY s CONVERT LOW POWER SRAMs INTO NVRAMs s 5V OR...
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M40SZ100Y
M40SZ100Y

Overview
M40SZ100Y M40SZ100W 5V or 3V NVRAM SUPERVISOR FOR LPSRAM FEATURES SUMMARY s CONVERT LOW POWER SRAMs INTO NVRAMs s 5V OR 3V OPERATING VOLTAGE s PRECISION POWER MONITORING and POWER SWITCHING CIRCUITRY s AUTOMATIC WRITE-PROTECTION WHEN VCC IS OUT-OF-TOLERANCE s CHOICE OF SUPPLY VOLTAGES and POWER-FAIL DESELECT VOLTAGES: – M40SZ100Y: VCC = 4.
5 to 5.
5V; 4.
20V ≤ VPFD ≤ 4.
50V – M40SZ100W: VCC = 2.
7 to 3.
6V; 2.
55V ≤ VPFD ≤ 2.
70V s RESET OUTPUT (RST) FOR POWER ON RESET s 1.
25V REFERENCE (for PFI/PFO) s LESS THAN 10ns CHIP ENABLE ACCESS PROPAGATION DELAY (at 5V) s OPTIONAL PACKAGING INCLUDES A 28LEAD SOIC and SNAPHAT® TOP (to be ordered separately) s 28-LEAD SOIC PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT TOP WHICH CONTAINS THE BATTERY s BATTERY LOW PIN (BL) Figure 1.
16-pin SOIC Package 16 1 SO16 (MQ) Figure 2.
28-pin SOIC Package* SNAPHAT (SH) Battery 28 1 SOH28 (MH) * Contact Local Sales Office September 2003 Rev.
1.
3 1/19 M40SZ100Y, M40SZ100W TABLE OF CONTENTS SUMMARY DESCRIPTION .
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3 Logic Diagram (Figure 3.
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3 Signal Names (Table 1.
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3 SOIC16 Connections (Figure 4.
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4 SOIC28 Connections (Figure 5.
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4 Block Diagram (Figure 6.
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4 Hardware Hookup (Figure 7.
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5 MAXIMUM RATING.
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