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ST809 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ST809
部品説明 3-Pin Microprocessor Reset Monitors
メーカ Semtron
ロゴ Semtron ロゴ 

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ST809 Datasheet, ST809 PDF,ピン配置, 機能
DESCRIPTION
The ST809 series are power supply supervisory
circuits used to monitor the supply change in
microprocessors and digital systems. The ST809
series provide a reset to the microprocessors during
system power-up, power-down and brown-out
conditions.
The ST809 is designed to monitor the VCC
supply voltage and assert a reset signal whenever
the voltage declined below the preset threshold.
The reset signal remains for at least 140ms after
VCC has risen above the threshold. The ST809
provides an active-low reset output.
The ST809 series are optimized to reject fast
transient glitches on the VCC line. Low power
supply current of 10μA makes the ST809 more
suitable for battery-powered applications.
The ST809 series are available in SOT23-3
package.
ST809
3-Pin Microprocessor Reset Monitors
FEATURE
‹ Precision VCC Monitor for 3.0V, 3.3V and
5.0V Supplies
‹ 140ms Guaranteed Minimum RESET Output
Duration
‹ Low 10μA Supply Current
‹ VCC Transient Immunity
‹ No External Components
‹ SOT-23 package design
APPLICATIONS
‹ Embedded Systems
‹ Computers
‹ Critical μP Power Supply Monitoring
‹ Battery Powered equipment
PIN CONFIGURATION
GND
/RESET
VCC
TOP VIEW
SOT-23
PART NUMBER INFORMATION
ST809-XXX S-XX X
Lead Plating Code
Handling Code
Package Code
Voltage Code
Lead Plating Code
G : Lead-free product.
This product is RoHS compliant
Handling Code
TR : Tape&Reel
Package Code
S : SOT-23
Voltage Code
263 : 2.63V
293 : 2.93V
270 : 2.70V
308 : 3.08V
ST809 Rev.1.3
Copyright © Semtron Microtech Corp.
1
www.semtron-micro.com

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