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STM1404
3V FIPS-140 Security Supervisor with Battery Switchover
DATA BRIEFING
FEATURES
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STM1404 SUPPORTS FIPS-140 SECURITY LEVEL 4 – 4 High-Impedance Physical Tamper Inputs – Over/Under Operating Voltage Detector – Security Alarm (SAL) on Tamper Detection – Over/Under Operating Temperature Detector – Over/Under Temperature Thresholds are Customer-Selectable and FactoryProgrammed SUPERVISORY FUNCTIONS – Automatic Battery Switchover – RST Output (Open Drain) – Manual (Push-button) Reset Input (MR) – Power-fail Comparator (PFI/PFO) Vccsw (VCC SWITCH OUTPUT) – Low When Switched to VCC – High When Switched to VBAT (BATT ON Indicator) BATTERY LOW VOLTAGE DETECTOR (POWER-UP)
Figure 1. Package
QFN16, 3x3mm (Q)
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OPTIONAL VREF (1.