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041002

FEATURES

§ Automatically restarts microprocessor after

power failure

to an in-tolerance condition

§ Accurate 5%, 10% or 15% microprocessor 5V

power supply monitoring

§ Reduces need for discrete components

§ Precision temperature-compensated voltage

reference and voltage sensor

§ Low-cost TO-92 package or surface mount

SOT-223 package

§ Internal 5 kW pull-up resistor

§ Compatible with Motorola 68XXX series and

HC16 Microprocessors

§ Operating temperature of -40°C to +85°C

PIN ASSIGNMENT

PIN DESCRIPTION

PIN 1

GROUND

PIN 2

RESET

PIN 3

PIN 4

GROUND (SOT-223 ONLY)

DESCRIPTION

The DS1233D EconoReset uses a precision temperature-compensated reference and comparator circuit to

condition, the reset signal is kept in the active state for approximately 350 ms to allow the power supply

and processor to stabilize.

OPERATION - POWER MONITOR

The DS1233D provides the functions of detecting out-of-tolerance power supply conditions and warning

for approximately 350 ms after the power supply has reached the selected tolerance. This allows the

DS1233D

5V EconoReset

www.maxim-ic.com

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1 2 3

BOTTOM VIEW

TO-92 PACKAGE

See Mech.

Drawings Section

On Website

2

3

4

TOP VIEW

SOT-23 PACKAGE

See Mech.

Drawings Section

On Website

1

DALLAS

DS1233

Econo

Reset