STM1404CTOIQ6 查看數據表（PDF） - STMicroelectronics

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STM1404CTOIQ6

3 V FIPS-140 security supervisor with battery switchover

STMicroelectronics 

Description

STM1404

Figure 6.

Tamper pin (TP1 or TP3) normally high (NH) external hookup (switch

open)

VOUT (STM1404A)

or

VTPU (STM1404B/C)

R(1)

Switch Normally Open

Tamper Detection when Closed

TP1 or TP3

AI10461a

1. R typical is 10 MΩ. Resistors must be protected against conductive materials.

Figure 7. Tamper pin (TP2 or TP4) normally low (NL) external hookup (switch

closed)

VOUT (STM1404A)

or

VTPU (STM1404B/C)

R(1)

Switch Normally Closed;

Tamper Detection on Open

TP2 or TP4

AI09699a

1. R typical is 10 MΩ. Resistors must be protected against conductive materials.

Figure 8.

Tamper pin (TP2 or TP4) normally low (NL) external hookup (switch open)

VOUT (STM1404A)

or

VTPU (STM1404B/C)

Switch Normally Open;

Tamper Detection when Closed

R(1)

TP2 or TP4

AI10462a

1. R typical is 10 MΩ. Resistors must be protected against conductive materials.

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