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M40Z300WMH1F Datasheet(PDF) 1 Page - STMicroelectronics |
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M40Z300WMH1F Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 25 page Not recommended for new design This is information on a product still in production but not recommended for new designs. October 2010 Doc ID 5679 Rev 5 1/25 1 M40Z300 M40Z300W 5 V or 3 V NVRAM supervisor for up to 8 LPSRAMs Features ■ Converts low power SRAM 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 = 4.5 V to 5.5 V THS = VSS: 4.5 V ≤ VPFD ≤ 4.75 V THS = VOUT: 4.2 V ≤ VPFD ≤ 4.5 V –M40Z300W: VCC = 3.0 V to 3.6 V THS = VSS: 2.8 V ≤ VPFD ≤ 3.0 V VCC = 2.7 V to 3.3 V THS = VOUT: 2.5 V ≤ VPFD ≤ 2.7 V ■ Reset output (RST) for power on reset ■ Battery low pin (BL) ■ Less than 12 ns chip enable access propagation delay (for 5.0 V device) ■ Packaging includes a 28-lead SOIC and SNAPHAT® top (to be ordered separately), or A 16-lead SOIC ■ SOIC package provides direct connection for a SNAPHAT top which contains the battery ■ RoHS compliant – Lead-free second level interconnect 16 1 28 1 SO16 (MQ) SNAPHAT (SH) crystal/battery SOH28 (MH) www.st.com |
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