M40Z300 General Description
M40Z300 Features
` 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 VPFD 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 INCLUDES a 28-LEAD SOIC and SNAPHAT® TOP, or a 16-LEAD SOIC (to be Ordered Separately)
` SOIC PACKAGE PROVIDES DIRECT
CONNECTION for a SNAPHAT TOP which CONTAINS the BATTERY
` BATTERY LOW PIN (BL)
M40Z300 Connection Diagram
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