1/9

DATA BRIEFING

October 2005

For further information contact your local ST sales office.

STM1403

3V FIPS-140

Security Supervisor with Battery Switchover

Rev 4.0

* Contact local ST sales office for the full datasheet.

FEATURES*

■

STM1403 SUPPORTS FIPS-140 SECURITY

LEVEL 3+

–

4 High-Impedance Physical Tamper

Inputs

–

Over/Under Operating Voltage Detector

–

Security Alarm (SAL) on Tamper

Detection

■

SUPERVISORY FUNCTIONS

–

Automatic Battery Switchover

–RST Output (Open Drain)

–

Manual (Push-button) Reset Input (MR)

–

Power-fail Comparator (PFI/PFO)

■

–

–

Indicator)

■

BATTERY LOW VOLTAGE DETECTOR

(POWER-UP)

■

(Available for STM1403A only)

■

LOW BATTERY SUPPLY CURRENT (2.8µA,

typ)

■

SECURE LOW PROFILE 16-PIN, 3x3mm,

QFN PACKAGE

Figure 1. Package

Table 1. Device Options

Note: 1. SAL, RST, PFO, and BLD are Open Drain.

QFN16, 3mm x 3mm (Q)

STM704

Physical

Tamper

Inputs

Over/Under

Voltage

Alarms

Over/Under

Temperature

Alarms

(1.237V)

Option

During

Alarm

Vccsw Status,

During Alarm

STM1403A

✔✔

✔

✔

ON

STM1403B

✔✔

✔

Note 3

High-Z

High

STM1403C

✔✔

✔

Note 3

Ground

High