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M40Z300W - NVRAM CONTROLLER for up to EIGHT LPSRAM

General Description

The M40Z300/W NVRAM Controller is a self-contained device which converts a standard low-power SRAM into a non-volatile memory.

A precision voltage reference and comparator monitors the VCC input for an out-of-tolerance condition.

NOTE: 1.

For 16-pin SOIC package only.

Key Features

  • .5V or 4.5V to 5.5V) Symbol ILI (1) IC.

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Other Datasheets by STMicroelectronics

Part Number Description
M40Z300 NVRAM CONTROLLER for up to EIGHT LPSRAM
M40Z111 NVRAM CONTROLLER for up to TWO LPSRAM
M40Z111W NVRAM CONTROLLER for up to TWO LPSRAM
M40SZ100 5V or 3V NVRAM SUPERVISOR FOR LPSRAM

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.