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M40Z111 - NVRAM CONTROLLER for up to TWO LPSRAM

General Description

The M40Z111/111W NVRAM Controller is a selfcontained device which converts a standard lowpower SRAM into a non-volatile memory.

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Other Datasheets by STMicroelectronics

Part Number Description
M40Z111W NVRAM CONTROLLER for up to TWO LPSRAM
M40Z300 NVRAM CONTROLLER for up to EIGHT LPSRAM
M40Z300W NVRAM CONTROLLER for up to EIGHT LPSRAM
M40SZ100 5V or 3V NVRAM SUPERVISOR FOR LPSRAM

Full PDF Text Transcription (Reference)

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M40Z111 M40Z111W NVRAM CONTROLLER for up to TWO LPSRAM CONVERT LOW POWER SRAMs into NVRAMs PRECISION POWER MONITORING and POWER SWITCHING CIRCUITRY AUTOMATIC WRITE-PROTECTION when VCC is OUT-OF-TOLERANCE CHOICE of SUPPLY VOLTAGES and POWER-FAIL DESELECT VOLTAGES: – M40Z111: VCC = 4.5V to 5.5V THS = VSS 4.5V ≤ VPFD ≤ 4.75V THS = VOUT 4.2V ≤ VPFD ≤ 4.5V – M40Z111W: 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 LESS THAN 15ns CHIP ENABLE ACCESS PROPAGATION DELAY (for 5.0V device) PACKAGING INCLUDES a 28-LEAD SOIC and SNAPHAT® TOP (to be Ordered Separately) SOIC PACKAGE PROVIDES DIRECT CONNECTION for a SNAPHAT TOP which CONTAINS the BATTERY SNAPHAT (SH) Battery 28 1 SOH28 (MH) Figure 1.