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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

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

Operating temperature -40°C to +85°C

PIN ASSIGNMENT

PIN DESCRIPTION

TO-92

1

RST

Active High Reset Output

2

Power Supply

3

GND

Ground

SOT-23

1

RST

Active High Reset Output

2

Power Supply

3

GND

Ground

DESCRIPTION

The DS1817 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.

DS1817

Active High 3.3V EconoReset

www.dalsemi.com

12

3

SOT-23 PACKAGE

See Mech. Drawing

1 2 3

1 2 3

TO-92 PACKAGE

See Mech. Drawing