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M4Z28-BR00SH Datasheet(PDF) 1 Page - STMicroelectronics |
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M4Z28-BR00SH Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 19 page 1/19 September 2003 Rev. 1.3 M40SZ100Y M40SZ100W 5V or 3V NVRAM SUPERVISOR FOR LPSRAM * Contact Local Sales Office 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 28- LEAD 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 Figure 2. 28-pin SOIC Package* SO16 (MQ) 16 1 SOH28 (MH) SNAPHAT (SH) Battery 28 1 |
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