
Description
STM1404
Figure 6.
Tamper pin (TP1 or TP3) normally high (NH) external hookup (switch
open)
1.
R typical is 10 M
Ω. Resistors must be protected against conductive materials.
Figure 7.
Tamper pin (TP2 or TP4) normally low (NL) external hookup (switch
closed)
1.
R typical is 10 M
Ω. Resistors must be protected against conductive materials.
Figure 8.
Tamper pin (TP2 or TP4) normally low (NL) external hookup (switch open)
1.
R typical is 10 M
Ω. Resistors must be protected against conductive materials.
AI10461a
VOUT (STM1404A)
or
VTPU (STM1404B/C)
R
(1)
Switch Normally Open
Tamper Detection when Closed
TP1 or TP3
AI09699a
VOUT (STM1404A)
or
VTPU (STM1404B/C)
R
(1)
Switch Normally Closed;
Tamper Detection on Open
TP2 or TP4
AI10462a
VOUT (STM1404A)
or
VTPU (STM1404B/C)
R
(1)
Switch Normally Open;
Tamper Detection when Closed
TP2 or TP4