M40Z300 M40Z300W NVRAM CONTROLLER for up to EIGHT LPSRAM s s s s s s s s s s CONVERT LOW POWER SRAMs into NVRAMs PRECISION POWER MONITORING and POWER SWITCHING CIRCUITRY AUTOMATIC WRITE-PROTECTION when VCC is OUT-OF-TOLERANCE TWO INPUT DECODER ALLOWS CONTROL for up to 8 SRAMs (with 2 devices active in parallel) CHOICE of SUPPLY VOLTAGES and POWER-FAIL DESELECT VOLTAGES: – M40Z300: VCC = 4.
5V to 5.
5V THS = VSS 4.
5V ≤ VPFD ≤ 4.
75V THS = VOUT 4.
2V ≤ V PFD ≤ 4.
5V – M40Z300W: VCC = 3.
0V to 3.
6V THS = VSS 2.
8V ≤ VPFD ≤ 3.
0V VCC = 2.
7V to 3.
3V THS = VOUT 2.
5 ≤ VPFD ≤ 2.
7V RESET OUTPUT (RST) for POWER ON RESET LESS THAN 12ns CHIP ENABLE ACCESS PROPAGATION DELAY (for 5.
0V device) PACKAGING INCLU...

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