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M40Z111 Datasheet(PDF) 1 Page - STMicroelectronics |
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M40Z111 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 15 page  1/15 May 2002 M40Z111 M40Z111W 5V OR 3V NVRAM SUPERVISOR FOR UP TO TWO LPSRAMs FEATURES SUMMARY s CONVERT LOW POWER SRAMs INTO NVRAMs 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: – M40Z111: VCC =4.5 to 5.5V THS = VSS;4.5 ≤ VPFD ≤ 4.75V THS = VOUT;4.2 ≤ VPFD ≤ 4.5V – M40Z111W: VCC = 3.0 to 3.6V THS = VSS;2.8 ≤ VPFD ≤ 3.0V VCC = 2.7 to 3.3V THS = VOUT;2.5 ≤ VPFD ≤ 2.7V s LESS THAN 15ns CHIP ENABLE ACCESS PROPAGATION DELAY (for 5.0V device) s PACKAGING INCLUDES A 28-LEAD SOIC and SNAPHAT® TOP (to be ordered separately) s SOIC PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT TOP WHICH CONTAINS THE BATTERY Figure 1. 28-pin SOIC Package SOH28 (MH) SNAPHAT (SH) Battery 28 1 |
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