AS1920-18-T datasheet(6/14 Pages) AMSCO

部品番号	AS1920-18-T

部品情報	Triple-Voltage, Micro-Power Microprocessor Supervisory Circuits

PDF	14 Pages

Scroll/Zoom	100%

メーカー	AMSCO [ams AG]

ホームページ	http://www.ams.com

Logo

6 / 14 page

www.austriamicrosystems.com

Revision 1.00

6 - 14

AS1920/AS1922

Datasheet - D e t a i l e d D e s c r i p t i o n

8 Detailed Description

The AS1920/AS1922 microprocessor supervisory circuits were designed to generate a reset when at least one of the

three monitored supply voltages falls below its respective trip threshold.

These very-low-current (6.5µA, typ) devices maintain reset for a minimum timeout period after all supplies have stabi-

lized. Guaranteed to be in the correct state for VCC > +1.0V, these devices are perfect for multiple-voltage systems with

low current requirements and strict monitoring requirements.

Figure 9. AS1920 Block Diagram

Figure 10. VCC Monitor Timing Diagram

AS1920

–

VCC18

VCC3

VCCA

VCC

Internal

–

Power

Detect

–

Bandgap

Reference

RESETN

200ms Pulse Generator

200ms

Delay

VCC3

GND

1.5V

VCCX

tUV

tRST

RESETN

VRTX

AS1920-18-T データシート(PDF) 6 Page - ams AG

AS1920-18-T データシート(HTML) 6 Page - ams AG

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14

データシートダウンロード