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STM1403 - 3V FIPS-140 Security Supervisor

General Description

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6 1.1.1 STM1403A

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Key Features

  • STM1403 supports FIPS-140 security level 3+.
  • Four high-impedance physical tamper inputs ).
  • Over/under operating voltage detector t(s.
  • Security alarm (SAL) on tamper detection c.
  • Supervisory functions du.
  • Automatic battery switchover ro.
  • RST output (open drain) P.
  • Manual (push-button) reset input (MR) te.
  • Power-fail comparator (PFI/PFO) le.
  • Vccsw (VCC switch output) o.
  • Low when switched to VCC bs.

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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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STM1403 3 V FIPS-140 security supervisor with battery switchover Features ■ STM1403 supports FIPS-140 security level 3+ – Four high-impedance physical tamper inputs ) – Over/under operating voltage detector t(s – Security alarm (SAL) on tamper detection c ■ Supervisory functions du – Automatic battery switchover ro – RST output (open drain) P – Manual (push-button) reset input (MR) te – Power-fail comparator (PFI/PFO) le ■ Vccsw (VCC switch output) o – Low when switched to VCC bs – High when switched to VBAT (BATT ON indicator) - O ■ Battery low voltage detector (power-up) t(s) ■ Optional VREF (1.237 V) – (Available for STM1403A only) uc ■ Low battery supply current (2.8 µA, typ) d ■ Secure low profile 16-pin, 3 x 3 mm, QFN ro package QFN16, 3 mm x 3 mm (Q) lete P Table 1.