Datasheet > DS1708

DS1708

更新时间： 2024-11-29 14:57:51

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
10页	177K
描述
3.3V及5.0V MicroMonitor

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中文翻译

获取价格

数据手册

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DS1708 数据手册

DS1707/DS1708

3.3 and 5.0-Volt MicroMonitor

www.maxim-ic.com

FEATURES

PIN ASSIGNMENT

CꢀHolds microprocessor in check during power

transients

RST

PBRST

V_CC

RST

CꢀAutomatically restarts microprocessor after

power failure

GND

CꢀMonitors pushbutton for external override

CꢀAccurate 5%, 10% or 20% resets for 3.3V

systems and 5% or 10% resets for 5.0V

systems

NMI

8-Pin DIP (300-mil)

RST

PBRST

V_CC

CꢀEliminates the need for discrete components

Cꢀ20% tolerance compatible with 3.0V systems

CꢀPin compatible with the MAXIM

MAX707/MAX708 in 8-pin DIP, 8-pin SOIC

packages

RST

GND

NMI

8-Pin SOIC (150-mil)

Cꢀ8-pin DIP, 8-pin and ꢀ-SOP SOIC and 8-pin

ꢀ-SOP packages available

CꢀIndustrial temperature range -40LC to +85LC

RST

PBRST

V_CC

NMI

GND

8-Pin ꢀ-SOP (118-mil)

See Mech. Drawings Section on website

DS1707 and DS1708_R/S/T

PIN DESCRIPTION

PBRST

V_CC

- Pushbutton Reset Input

- Power Supply

- Ground

GND

- Input

NMI

- Non-maskable Interrupt

- No Connect

RST

- Active Low Reset Output

- Active High Reset Output

DESCRIPTION

The DS1707/DS1708 3.3- or 5.0-Volt MicroMonitor monitors three vital conditions for a microprocessor:

power supply, voltage sense, and external override. A precision temperature-compensated reference and

comparator circuit monitor the status of V_CCat the device and at an upstream point for maximum

protection. When the sense input detects an out-of-tolerance condition a non-maskable interrupt is

generated. As the voltage at the device degrades an internal power fail signal is generated which forces

the reset to an active state. When V_CCreturns to an in-tolerance condition, the reset signal is kept in the

active state for a minimum of 130 ms to allow the power supply and processor to stabilize.

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