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AZ809ANSTR-G1

Description
Supervisory Circuits Reset Generator
Categorysemiconductor    Power management   
File Size369KB,11 Pages
ManufacturerDiodes
Websitehttp://www.diodes.com/
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AZ809ANSTR-G1 Overview

Supervisory Circuits Reset Generator

AZ809ANSTR-G1 Parametric

Parameter NameAttribute value
Product CategorySupervisory Circuits
ManufacturerDiodes
RoHSDetails
PackagingCut Tape
PackagingReel
Factory Pack Quantity3000
Data Sheet
3-PIN MICROPROCESSOR RESET CIRCUIT
General Description
The AZ809A is a precision system supervisor and reset
circuit designed to monitor the power supplies in
microprocessor and digital system. It provides a reset
signal to the host processor during power-up, power-
down, and brownout conditions.
The AZ809A has an active-low RESET output, three
standard reset options are offered to support 5V, 3.3V,
and 3.0V system.Whenever the system supply voltage
declines below the internal fixed reset threshold, the
AZ809A asserts a reset signal and the reset signal
remains asserted for 240ms after V
CC
rises above the
threshold.
The AZ809A has a push-pull output, no external com-
ponents are required. The output is guaranteed to be in
the correct state at V
CC
level as low as 1V. The
AZ809A is optimized to reject fast transient glitches
on the VCC line. When the V
CC
is 3.3V, the supply
current consumption is about 6µA typically.
The IC is available in SOT-23 package.
AZ809A
Features
·
·
·
·
·
·
·
·
Precise Monitoring of 3.0V, 3.3V, and 5.0V Sup-
ply Voltages
140ms Minimum Reset Pulse Width
Active-low RESET Output
Push-Pull RESET Output
No External Components
Reset Valid Down to V
CC
=1.0V
Power Supply Fast Transient Immunity
Specified Over Full Temperature Range: -40 to
105
o
C
Applications
·
·
·
·
·
·
·
·
·
Microprocessor Systems
Portable/Battery-Powered Systems
Embedded Controllers
Automotive
Intelligent Instruments
Wireless Communication Systems
PDAs and Handheld Equipment
Set-Top Boxes
ADSL Modems
SOT-23
Figure 1. Package Type of AZ809A
Oct. 2010 Rev. 1. 3
1
BCD Semiconductor Manufacturing Limited

AZ809ANSTR-G1 Related Products

AZ809ANSTR-G1 AZ810NSTR-G1 AZ809ANLTR-E1 AZ809ANRTR-E1 AZ809ANRTR-G1 AZ809NSTR-E1 AZ809NSTR-G1
Description Supervisory Circuits Reset Generator Supervisory Circuits Reset Generator Supervisory Circuits Reset Generator IC RESET GENERATOR IC RESET GENERATOR IC RESET GENERATOR IC RESET GENERATOR
type - - - Simple reset/power-on reset Simple reset/power-on reset Simple reset/power-on reset Simple reset/power-on reset
Monitored voltage number - - - 1 1 1 1
output - - - push-pull, totem pole push-pull, totem pole push-pull, totem pole push-pull, totem pole
reset - - - Low effective Low effective Low effective Low effective
reset timeout - - - Minimum 140 ms Minimum 140 ms Minimum 140 ms Minimum 140 ms
Voltage - Threshold - - - 2.63V 2.63V 2.93V 2.93V
Operating temperature - - - -40°C ~ 105°C(TA) -40°C ~ 105°C(TA) -40°C ~ 105°C(TA) -40°C ~ 105°C(TA)
Installation type - - - surface mount surface mount surface mount surface mount
Package/casing - - - TO-236-3,SC-59,SOT-23-3 TO-236-3,SC-59,SOT-23-3 TO-236-3,SC-59,SOT-23-3 TO-236-3,SC-59,SOT-23-3
Supplier device packaging - - - SOT-23 SOT-23 SOT-23 SOT-23
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