Datasheet > X4003M8Z-2.7A

X4003M8Z-2.7A

更新时间： 2024-02-03 09:00:23

品牌	Logo	应用领域
英特矽尔 - INTERSIL		光电二极管监控
页数	文件大小	规格书
18页	276K
描述
CPU Supervisor

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中文翻译

获取价格

数据手册

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X4003M8Z-2.7A 数据手册

X4003, X4005

Data Sheet

May 11, 2006

FN8113.1

DESCRIPTION

CPU Supervisor

These devices combine three popular functions,

Power-on Reset Control, Watchdog Timer, and Supply

Voltage Supervision. This combination lowers system

cost, reduces board space requirements, and

increases reliability.

FEATURES

• Selectable watchdog timer

—Select 200ms, 600ms, 1.4s, off

• Low V detection and reset assertion

—Five standard reset threshold voltages

nominal 4.62V, 4.38V, 2.92V, 2.68V, 1.75V

Applying power to the device activates the power-on

reset circuit which holds RESET/RESET active for a

period of time. This allows the power supply and oscilla-

tor to stabilize before the processor can execute code.

—Adjust low V reset threshold voltage using

special programming sequence

—Reset signal valid to V = 1V

• Low power CMOS

The Watchdog Timer provides an independent

protection mechanism for microcontrollers. When the

microcontroller fails to restart a timer within a select-

able time out interval, the device activates the

RESET/RESET signal. The user selects the interval

from three preset values. Once selected, the interval

does not change, even after cycling the power.

—12µA typical standby current, watchdog on

—800nA typical standby current watchdog off

—3mA active current

• 400kHz I C interface

• 1.8V to 5.5V power supply operation

• Available packages

—8 Ld SOIC

—8 Ld MSOP

• Pb-free plus anneal available (RoHS compliant)

The device’s low V

detection circuitry protects the

user’s system from low voltage conditions, resetting the

system when V falls below the minimum V trip

point. RESET/RESET is asserted until V

returns to

proper operating level and stabilizes. Five industry stan-

dard V thresholds are available; however, Intersil’s

TRIP

unique circuits allow the threshold to be reprogrammed

to meet custom requirements, or to fine-tune the thresh-

old for applications requiring higher precision.

BLOCK DIAGRAM

Watchdog Transition

Detector

Watchdog

Timer Reset

RESET (X4003)

RESET (X4005)

Data

SDA

Control

Command

Decode &

Control

Reset &

Watchdog

Timebase

SCL

Logic

Threshold

Reset logic

Power-on and

Low Voltage

Reset

Generation

TRIP

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

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与X4003M8Z-2.7A相关器件

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X4003S8-1.8	XICOR	获取价格	CPU Supervisor
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