STM1403ASMQ6F datasheet(28/34 Pages) STMICROELECTRONICS

Part #	STM1403ASMQ6F

Description	3 V FIPS-140 security supervisor with battery switchover

PDF	34 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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DC and AC parameters

STM1403

28/35

Table 7.

Physical and environmental tamper detection levels

Sym

Parameter

Test

conditions(1)

Valid for ambient operating temperature: TA = –40 to 85°C; VCC = VLV to VHV (except where noted).

Min

Typ

Max

Unit

VHV

Overvoltage trip level

4.0

4.2

4.4

VLV

Undervoltage trip level

1.9

2.0

2.1

SAL propagation delay time

(after over/under voltage

detection)

VHV + 200 mV or

VLV – 200 mV

µs

VHTP

Trip point for NH physical

tamper input pins (TP1 or TP3)

VOUT –

1.3 V(2)

In the case of STM1403A, physical tamper input pins (TPX) are referenced to VOUT (pin 12). In the case of

STM1403B or C, TPX are referenced to VTPU pin (pin 9).

VOUT –

0.3 V(2)

VLTP

Trip point for NL physical

tamper input pins (TP2 or TP4)

0.3

1.0

SAL propagation delay time(3)

(after physical tamper pin

detection)

VCC = VRST (max) to 3.6 V

VHTP =

VOUT/VTPU;

VLTP = VSS

VDD = 3.6

µs

Physical tamper input (TPX)

glitch immunity

µs

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