Datasheet > STM1404A

STM1404A

更新时间： 2024-09-23 05:04:31

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		电池监控
页数	文件大小	规格书
9页	145K
描述
Security Supervisor with Battery Switchover

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中文翻译

获取价格

数据手册

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STM1404A 数据手册

STM1404

3V FIPS-140

Security Supervisor with Battery Switchover

DATA BRIEFING

FEATURES

■

STM1404 SUPPORTS FIPS-140 SECURITY

Figure 1. Package

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

QFN16, 3x3mm (Q)

■

SUPERVISORY FUNCTIONS

–

Automatic Battery Switchover

RST Output (Open Drain)

Manual (Push-button) Reset Input (MR)

Power-fail Comparator (PFI/PFO)

■

OPTIONAL V

(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

(1.237V)

REF

■

Vccsw (V SWITCH OUTPUT)

–

Low When Switched to V

High When Switched to V

Indicator)

(BATT ON

BAT

BATTERY LOW VOLTAGE DETECTOR

(POWER-UP)

Table 1. Device Options

STM704

Status,

During

Alarm

Physical

Tamper

Inputs

Over/Under Over/Under

REF

OUT

Vccsw Status,

During Alarm

Voltage

Alarms

Temperature

Alarms

(1.237V)

Option

(1)

Functions

(2)

STM1404A

■

Normal Mode

STM1404B

STM1404C

■

Note 3

High-Z

High

Ground

Note: 1. SAL, RST, PFO, and BLD are Open Drain.

2. Normal Mode: Low when V is internally switched to V and High when V is internally switched to battery.

OUT

3. Pin 9 is the V

pin for STM1404A. It is the V

pin for STM1404B/C.

REF

TPU

Rev 4.0

1/9

January 2006

For further information contact your local ST sales office.

12 3 4 5 6 7...9

中文翻译

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