SA56614-42 데이터 시트보기 (PDF) - Philips Electronics

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SA56614-42

CMOS system reset

Philips Electronics 

Philips Semiconductors

CMOS system reset

Product data

SA56614-XX

GENERAL DESCRIPTION

The SA56614-XX is a CMOS device designed to generate a reset

signal for a variety of microprocessor and logic systems. Accurate

reset signals are generated during momentary power interruptions,

or whenever power supply voltages sag to intolerable levels.

Several reset threshold versions of the device are available. A

totem-pole output topology is incorporated to provide both current

source and sink capability to the user.

SA56614-XX is available in the SOT23-5 surface mount package.

FEATURES

• 12 VDC maximum operating voltage

• Low operating voltage (0.65 V)

• Totem pole CMOS output

• Offered in reset thresholds of

2.0, 2.7, 2.8, 2.9, 3.0, 3.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7 VDC

• Available in SOT23-5 surface mount package

APPLICATIONS

• Microcomputer systems

• Logic systems

• Battery monitoring systems

• Back-up power supply circuits

• Voltage detection circuits

SIMPLIFIED SYSTEM DIAGRAM

VDD

VREF

R

2 VDD

NE56614-XX

R

R

VSS

3 VSS

VOUT

1

Figure 1. Simplified system diagram.

VDD

CPU

RESET

VSS

SL01343

2001 Jun 19

2

853–2248 26559

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