Product Introduction

Product parameters

Funtion:Low Power Microprocessor Supervisory Circuits

Vout Range:1.15V-5.5V

Vin Range:1.15V-5.5V

Operating Current:52uA @5V

Package:SOP8

Hysteresis:1%

Delayed:200ms min Reset Pulse Width

Reset threshold:4.65V High

Watchdog:Yes


Description

CN705/706/707/708/813 series is a family of microprocessor (uP) supervisory circuit that monitors microprocessor’s supply voltage and battery voltage. CN705/706/707/708/813 series integrates uP reset circuit with 200ms delay, Watchdog, manual reset circuit and a power fail comparator with 1.22V threshold. These devices reduce system complexity,   hence improve system reliability.

CN705/706/707/708/813 series has several functional options. Each device    generates a reset signal when VCC is lower than reset threshold. In addition, CN705, CN706 and CN813 have a watchdog timer whose timeout period is 1.6s. CN707 and CN708 provide both active low and active high reset signals, but have no watchdog function. CN813 are same as CN705/706 except active high reset is provided instead of active low.

CN705/706/707/708/813 series is ideal for applications in automotive systems, computers, controllers and intelligent instruments. All devices are available in 8 pin SOP package.

Applications

l  Computers

l  Controllers

l  Intelligent instruments

l  Automotive systems           

Features

l  Guaranteed reset valid at VCC=1.15V

l  Reset threshold can be from 2.6V to 5.0V with 0.1V step.

l  Low operating current: 52uA @5V

l  Reset pulse width: 200ms

l  Independent watchdog timer, 1.6s timeout(CN705/706/813)

l  Voltage monitor for power fail or low battery warning

l  Pin-to-pin compatible with industry standard 705/706/707/708/813

l  Available in SOP8 Package

 


Tools and Documents

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