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STM1404 - Security Supervisor

General Description

The STM1404 family of security supervisors are a low power family of intrusion (tamper) detection chips targeted at manufacturers of POS terminals and other systems, to enable them to meet physical and/or environmental intrusion monitoring requirements as mandated by various standards, such as Feder

Key Features

  • STM1404.

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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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www.DataSheet4U.com STM1404 3V FIPS-140 Security Supervisor with Battery Switchover DATA BRIEFING FEATURES ■ ■ ■ ■ 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) ■ ■ ■ ■ OPTIONAL VREF (1.