DESCRIPTION

· The STM1404 is a 3V FIPS-140 security supervisor with battery switchover, designed for high-security applications.

· It features four high-impedance physical tamper inputs and supports FIPS-140 security level 4.

· The device includes over/under voltage and temperature detectors, with customizable thresholds.

· It offers supervisory functions like automatic battery switchover, manual reset input, and power-fail comparator.

· Available in a low-profile 16-pin QFN package, compliant with RoHS directives.

FEATURES

· Supports FIPS-140 security level 4 with tamper detection and security alarm (SAL).

· Includes over/under operating voltage and temperature detectors with programmable thresholds.

· Features automatic battery switchover and low battery supply current (5.3 µA typical).

· Provides VCC switch output (Vccsw) indicating battery or VCC mode.

· Optional 1.237V VREF available for STM1404A variant.

· Secure, compact 16-pin QFN package (3mm x 3mm).

APPLICATIONS

· High-security systems requiring FIPS-140 compliance.

· Systems needing reliable battery switchover and low power consumption.

· Applications with critical voltage and temperature monitoring requirements.

· Compact devices requiring secure, tamper-resistant components.