STM1403 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM1403

3 V FIPS-140 security supervisor with battery switchover

STMicroelectronics 

DC and AC parameters

STM1403

Table 7. Physical and environmental tamper detection levels

Sym

Parameter

Test

conditions(1)

Min

Typ

Max Unit

VHV

Overvoltage trip level

4.0

4.2

4.4

V

VLV

Undervoltage trip level

1.9

2.0

2.1

V

SAL propagation delay time

(after over/under voltage

detection)

VHV + 200 mV or

VLV – 200 mV

25

50

µs

VHTP

Trip point for NH physical

tamper input pins (TP1 or TP3)

VOUT –

1.3 V(2)

VOUT –

0.3 V(2)

V

VLTP

Trip point for NL physical

tamper input pins (TP2 or TP4)

0.3

1.0

V

SAL propagation delay time(3)

(after physical tamper pin

detection)

VHTP =

VOUT/VTPU;

VLTP = VSS

VDD = 3.6

30

50

µs

Physical tamper input (TPX)

glitch immunity

15

µs

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

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).

3. VCC = VRST (max) to 3.6 V

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