ADM6384YKS17D3Z-R7(RevE) 查看數據表（PDF） - Analog Devices

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ADM6384YKS17D3Z-R7
(Rev.:RevE)

Microprocessor Supervisory Circuit in 4-Lead SC70

Analog Devices 

Data Sheet

FEATURES

Precision power supply monitoring

31 reset threshold options: 1.58 V to 5.0 V

Four reset timeouts: 1 ms, 20 ms, 140 ms, and 1120 ms

Manual reset input

Reset output stage

Push pull active low

Guaranteed reset output valid to VCC = 1 V

Power supply glitch immunity

Specified over the −40°C to +125°C temperature range

4-lead SC70 package

APPLICATIONS

Microprocessor systems

Computers

Controllers

Intelligent instruments

Portable equipment

GENERAL DESCRIPTION

The ADM6384 is a supervisory circuit that monitors power supply

voltage levels in microprocessor-based systems. A power-on reset

signal is generated when the supply voltage rises to a preset

threshold level. The debounced manual reset input of the

ADM6384 can be used to initiate a reset by means of an external

push button or logic signal.

Microprocessor Supervisory

Circuit in 4-Lead SC70

ADM6384

FUNCTIONAL BLOCK DIAGRAMS

ADM6384

VCC

VREF

RESET

GENERATOR

RESET

MR

DEBOUNCE

GND

Figure 1.

VCC

ADM6384

MR

RESET

GND

100kΩ

VCC

MICROPROCESSOR

RESET

GND

Figure 2

The device is available in a choice of 31 reset threshold options,

from 1.58 V to 5.0 V. The minimum reset timeout periods are

1 ms, 20 ms, 140 ms, and 1120 ms. Not all device options are

released for sale as standard models. See Ordering Guide for

details.

The ADM6384 is available in a 4-lead SC70 package and typi-

cally consumes only 7 μA, making it suitable for use in low

power, portable applications.

Rev. E

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