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STM1403

ST Microelectronics
Part Number STM1403
Manufacturer ST Microelectronics
Description 3V FIPS-140 Security Supervisor
Published Nov 14, 2006
Detailed Description STM1403 3 V FIPS-140 security supervisor with battery switchover Features ■ STM1403 supports FIPS-140 security level 3...
Datasheet PDF File STM1403 PDF File

STM1403
STM1403

Overview
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 ■ Sec...


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