AMS810M datasheet(1/8 Pages) AMS

номер детали	AMS810M

подробное описание детали	Precision supply-voltage monitor

PDF	8 Pages

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производитель	AMS [Advanced Monolithic Systems Ltd]

домашняя страница	http://www.ams-semitech.com

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Features

Precision supply-voltage monitor

-

4.63V (AMS803/09/10L)

-

4.26V (AMS803/09/10M)

-

3.08V (AMS803/09/10T)

-

2.93V (AMS803/09/10S)

-

2.63V (AMS803/09/10R)

-

2.32V (AMS803/09/10Z)

140ms(min) reset pulse width

Push-Pull

/RESET

Output

Configurations

for

AMS809

Push-Pull

RESET

Output

Configurations

for

AMS810

Open-Drain

/RESET

output

configuration

for

AMS803

12µA Supply Current

Guaranteed Reset(/Reset) Valid to VCC = +1.0V

Power Supply Transient Immunity

No External Components

Ordering Information

Part Number

Package

AMS803XTE

Lead free and Green SOT23-3

AMS809XTE

Lead free and Green SOT23-3

AMS810XTE

Lead free and Green SOT23-3

Note: “x” refers to voltage range, see below table.

Description

The AMS803/09/10

are microprocessor (µP)

supervisory circuits used to monitor the power supplies

in µP and digital systems. They provide excellent circuit

reliability

and

low

cost

by

eliminating

external

components and adjustments when used with +3.3V,

+3.0V, or 2.5V powered circuits.

These circuits perform a single function: they assert

a reset signal whenever the VCC supply voltage declines

below a preset threshold, keeping it asserted for at least

140ms after VCC has risen above the reset threshold.

Reset thresholds suitable for operation with a variety of

supply voltages are available.

The AMS803 has

an

open-drain output stage,

while the AMS809/10

have

push-pull outputs. The

AMS803’s open-drain /Reset output requires a pull-up

resistor that can be connected to a voltage higher than

VCC. The AMS803/09

have an active-low

/RESET

output while the AMS810 has an active-high RESET

output. The reset comparator is designed to ignore fast

transients on VCC, and the outputs are guaranteed to be

in the correct logic state for VCC down to 1V.

Low supply current makes

the

AMS803/09/10

ideal for use in portable equipment. The ICs are

available in 3 pin SOT23 packages.

Suffix: X—Monitored Voltage

X

L

M

T

S

R

Z

Reset Threshold (V)

4.63

4.26

3.08

2.93

2.63

2.32

Block Diagram

RESET

Reset Logic

and Timer

V

CC

+

-

V

RST

AMS803/09/10

1

Advanced Monolithic Systems http://www.ams-semitech.com

Аналогичный номер детали - AMS810M

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