STM1403ARMQ6F STMICROELECTRONICS [STMicroelectronics], STM1403ARMQ6F Datasheet - Page 9
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STM1403ARMQ6F
Manufacturer Part Number
STM1403ARMQ6F
Description
3 V FIPS-140 security supervisor with battery switchover
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STM1403ARMQ6F.pdf
(34 pages)
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STM1403
Figure 4.
1. Normal mode: low when V
2. Capacitor (C) is typically ≥ 10 µF.
3. Open drain
4. Diode is required for battery reverse charge protection.
5. V
Figure 5.
1. R typical is 10 MΩ. Resistors must be protected against conductive materials.
battery.
REF
only for STM1403; V
Unregulated
Hardware hookup
Tamper pin (TP
closed)
Voltage
(e.g., Switches, Wire Mesh)
R1
R2
From Actuator Device
OUT
TPU
V IN
Regulator
for STM1403B/C.
is internally switched to V
Tamper Detection on Open
Push-Button
1
Switch Normally Closed;
V CC
or TP
0.1μF
BAT54J (4)
1.0μF
3
) normally high (NH) external hookup (switch
V TPU (STM1403B/C)
V OUT (STM1403A)
V CC
PFI
MR
V BAT
TP 1
TP 2
TP 3
TP 4
V CCSW
STM1403
or
V REF
CC
R
PFO (3)
V TPU
RST (3)
BLD (3)
SAL (3)
(1)
V OUT
(1)
or
and high when V
(5)
TP 1 or TP 3
AI09698
To Microprocessor NMI
To Microprocessor Reset
To Microprocessor
To ADC
To Physical Tamper Pins TP X
C
(2)
OUT
V CC
is internally switched to
LPSRAM
V CC
Description
AI09690
9/35
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