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M40SZ100Y_07 Datasheet, PDF (1/25 Pages) STMicroelectronics – 5V or 3V NVRAM supervisor for LPSRAM | |||
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M40SZ100Y
M40SZ100W
5V or 3V NVRAM supervisor for LPSRAM
Features
â Convert low power SRAMs into NVRAMs
â 5V or 3V operating voltage
â Precision power monitoring and power
switching circuitry
â Automatic write-protection when VCC is out-of-
tolerance
â Choice of supply voltages and power-fail
deselect voltages:
â M40SZ100Y: VCC = 4.5 to 5.5V;
4.20V ⤠VPFD ⤠4.50V
â M40SZ100W: VCC = 2.7 to 3.6V;
2.55V ⤠VPFD ⤠2.70V
â Reset output (RST) for power on reset
â 1.25V reference (for PFI/PFO)
â Less than 10ns chip enable access
propagation delay (at 5V)
â Optional packaging includes a 28-lead SOIC
and SNAPHAT® top (to be ordered separately)
â 28-lead SOIC package provides direct
connection for a SNAPHAT top which contains
the battery(a)
â Battery low pin (BL)
â RoHS compliant
â Lead-free second level interconnect
16
1
SO16 (MQ)
SNAPHAT (SH) battery
28
1
SOH28 (MH)(a)
a. Contact local ST sales office for availability.
November 2007
Rev 2
1/25
www.st.com
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