DS1817

更新时间： 2024-11-13 22:50:47

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
5页	52K
描述
Active High 3.3V EconoReset

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数据手册

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DS1817 数据手册

DS1817

Active High 3.3V EconoReset

www.dalsemi.com

FEATURES

ꢀ Automatically restarts a microprocessor after

power failure

PIN ASSIGNMENT

ꢀ Maintains reset for 150 ms after V_CCreturns

to an in-tolerance condition

ꢀ Reduces need for discrete components

ꢀ Precision temperature-compensated voltage

reference and voltage sensor

ꢀ Accurate 5%, 10% or 20% power monitoring

ꢀ 20% tolerance for use with 3.0-volt systems

ꢀ Low-cost TO-92 or space saving surface

mount SOT-23 packages available

ꢀ Push-pull active high output

SOT-23 PACKAGE

See Mech. Drawing

1 2 3

ꢀ Operating temperature -40°C to +85°C

TO-92 PACKAGE

See Mech. Drawing

PIN DESCRIPTION

TO-92

RST

V_CC

GND

Active High Reset Output

Power Supply

Ground

SOT-23

RST

V_CC

Active High Reset Output

Power Supply

Ground

GND

DESCRIPTION

The DS1817 EconoReset uses a precision temperature reference and comparator circuit to monitor the

status of the power supply (V_CC). When an out-of-tolerance condition is detected, an internal power-fail

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

the reset signal is kept in the active state for approximately 150 ms to allow the power supply and

processor to stabilize.

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与DS1817相关器件

型号	品牌	获取价格	描述	数据表
DS1817-10	DALLAS	获取价格	Active High 3.3V EconoReset
DS1817-15	ETC	获取价格	Logic IC
DS1817-20	DALLAS	获取价格	Active High 3.3V EconoReset
DS1817-20+	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, BCY3, 0.185 INCH, ROHS COMPLIANT, TO-92, 3 PIN
DS1817-20+T&R	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +2.55VV, CMOS, 0.185 INCH, ROHS COMPLIANT,
DS1817-5	DALLAS	获取价格	Active High 3.3V EconoReset
DS1817-5/T&R	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +3.06VV, CMOS, 0.185 INCH, TO-92, 3 PIN
DS1817-5+T&R	MAXIM	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, +3.06VV, CMOS, 0.185 INCH, ROHS COMPLIANT,
DS1817A	ETC	获取价格	Logic IC
DS1817B	ETC	获取价格	Logic IC