Datasheet > STM1404ATOIQ1F

STM1404ATOIQ1F

更新时间： 2025-07-20 09:15:11

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
8页	186K
描述
STM1404ATOIQ1F

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中文翻译

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数据手册

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STM1404ATOIQ1F 数据手册

STM1403, STM1404

3V FIPS-140

Security Supervisors with Battery Switchover

DATA BRIEFING

FEATURES

■

STM1403 SUPPORTS FIPS-140 SECURITY

Figure 1. Package

LEVEL 3+

–

4 High-Impedance Physical Tamper

Inputs

–

Over/Under Operating Voltage Detector

Security Alarm (SAL) on Tamper

Detection

■

STM1404 SUPPORTS FIPS-140 SECURITY

LEVEL 4

QFN16, 3x3mm (Q)

–

STM1403+ Over/Under Operating

Temperature Detector

–

Over/Under Temperature Thresholds are

Customer-Selectable and Factory-

Programmed

■

STM1403 AND STM1404 ARE 100% PIN-

COMPATIBLE

SUPERVISORY FUNCTIONS

■

BATTERY LOW VOLTAGE DETECTOR

(POWER-UP)

OPTIONAL V

(Available for STM1403A/1404A only)

LOW BATTERY SUPPLY CURRENT

(TYPICAL)

(1.237V)

REF

–

Automatic Battery Switchover

RST Output (Open Drain)

Manual (Push-button) Reset Input (MR)

Power-fail Comparator (PFI/PFO)

■

–

STM1403: 2.8µA (V

STM1404: 5.3µA (V

= 3.3V, 25°C)

BAT

■

Vccsw (V SWITCH OUTPUT)

–

Low When Switched to V

■

SECURE LOW PROFILE 16-PIN, 3x3mm,

QFN PACKAGE

High When Switched to V

Indicator)

(BATT ON

BAT

Table 1. Device Options

STM704

Status,

During

Alarm

Physical

Tamper

Inputs

Over/Under Over/Under

REF

OUT

Vccsw Status,

During Alarm

Voltage

Temperature

(1.237V)

Option

(1)

Functions

Alarms

(2)

STM1403A

STM1403B

STM1403C

STM1404A

STM1404B

STM1404C

■

Normal Mode

Note 3

■

High-Z

Ground

High

(2)

■

Normal Mode

Note 3

High-Z

Ground

High

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 STM1403A, STM1404A. It is the V

pin for STM1403B/C and STM1404B/C.

REF

TPU

Rev 2.0

1/8

June 2005

For further information contact your local ST sales office.

12 3 4 5 6 7 8

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