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111999

FEATURES

Automatically restarts a microprocessor after

power failure

to an in-tolerance condition

Reduces need for discrete components

Precision temperature-compensated voltage

reference and voltage sensor

Low-cost TO-92 or space saving SOT-23

packages available

Efficient open-drain output with internal

5.5 k

Ω pull-up resistor

Operating temperature -40°C to +85°C

PIN ASSIGNMENT

PIN DESCRIPTION

TO-92

1

RST

Active Low Reset Output

2

Power Supply

3

GND

Ground

SOT-23

1

RST

Active Low Reset Output

2

Power Supply

3

GND

Ground

DESCRIPTION

The DS1811 EconoReset uses a precision temperature reference and comparator circuit to monitor the

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

processor to stabilize.

DS1811

5V EconoReset with Open Drain Output

www.dalsemi.com

12

3

SOT-23 PACKAGE

1 2 3

1 2 3

TO-92 PACKAGE

See Mech.

Drawings Section