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STM1404CTNCQ6F bảng dữ liệu(PDF) 1 Page - STMicroelectronics

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DATA BRIEFING
January 2006
For further information contact your local ST sales office.
STM1404
3V FIPS-140
Security Supervisor with Battery Switchover
Rev 4.0
FEATURES
STM1404 SUPPORTS FIPS-140 SECURITY
LEVEL 4
4 High-Impedance Physical Tamper
Inputs
Over/Under Operating Voltage Detector
Security Alarm (SAL) on Tamper
Detection
Over/Under Operating Temperature
Detector
Over/Under Temperature Thresholds are
Customer-Selectable and Factory-
Programmed
SUPERVISORY FUNCTIONS
Automatic Battery Switchover
–RST Output (Open Drain)
Manual (Push-button) Reset Input (MR)
Power-fail Comparator (PFI/PFO)
Vccsw (VCC SWITCH OUTPUT)
Low When Switched to VCC
High When Switched to VBAT (BATT ON
Indicator)
BATTERY LOW VOLTAGE DETECTOR
(POWER-UP)
Figure 1. Package
OPTIONAL VREF (1.237V)
(Available for STM1404A only)
LOW BATTERY SUPPLY CURRENT (5.3µA
Typ)
SECURE LOW PROFILE 16-PIN, 3x3mm,
QFN PACKAGE
RoHS COMPLIANCE
Lead-free components compliant with the
RoHS directive
Table 1. Device Options
Note: 1. SAL, RST, PFO, and BLD are Open Drain.
2. Normal Mode: Low when VOUT is internally switched to VCC and High when VOUT is internally switched to battery.
3. Pin 9 is the VREF pin for STM1404A. It is the VTPU pin for STM1404B/C.
QFN16, 3x3mm (Q)
STM704
Functions(1)
Physical
Tamper
Inputs
Over/Under
Voltage
Alarms
Over/Under
Temperature
Alarms
VREF
(1.237V)
Option
VOUT Status,
During
Alarm
Vccsw Status,
During Alarm
STM1404A
✔✔
ON
Normal Mode(2)
STM1404B
✔✔
Note 3
High-Z
High
STM1404C
✔✔
Note 3
Ground
High


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