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PDF UTC812 Data sheet ( Hoja de datos )
| Número de pieza | UTC812 | |
| Descripción | MICROPROCESSOR RESET IC | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
UTC812
MICROPROCESSOR RESET IC
DESCRIPTION
The UTC UTC812 is a microprocessor (µP) reset circuit designed
to monitor the power supplies in µP and digital systems.
The UTC UTC812 has push-pull output and active-low RESET
output.
This device provides customers with perfect system reliability and
low cost which are achieved by to no external component
requirement and adjustments when used with +5V, +3.3V, +3.0V-
powered circuits.
This circuit performs a single function: it asserts a reset signal
whenever the VCC supply voltage declines below a preset threshold,
keeping it asserted for at least 140ms after VCC has risen above the
reset threshold. Reset thresholds suitable for operation with a variety
of supply voltages are available.
The reset comparator can be used to ignore fast transients on
VCC, and outputs are guaranteed to be in the correct logic state for
VCC down to 1V.
In applications, the UTC812 is suitable for computers, controllers,
intelligent instruments, critical microprocessors, microcomputer
power monitoring, portable, or battery-powered equipments and
automotive device.
FEATURES
* Supply Current: 10µA
* Precision Monitoring of +5V, +3.3V, +3.0V Powered Circuits
* With the Two Configurations In The Following:
Push-Pull RESET Output
* Power-On Reset Pulse Width: 140ms (MIN.)
* Outputs Guaranteed To Be In The Correct Logic State for VCC
Down to 1V.
* Required No External Components
* Power Supply Transient Immunity
ORDERING INFORMATION
Ordering Number
UTC812G-X-AE2-R
Package
SOT-23-3
Packing
Tape Reel
UTC812G-X-AE2-R
(1)Packing Type
(2)Package Type
(3)Output Voltage Code
(4)Halogen Free
(1) R: Tape Reel
(2) AE2: SOT-23-3
(3) Refer to Marking Information
(4) G: Halogen Free
CMOS IC
www.unisonic.com.tw
Copyright © 2010 Unisonic Technologies Co., Ltd
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UTC812
TYPICAL APPLICATION CIRCUIT
VCC
VCC
UTC 812
RESET
GND
CMOS IC
VCC
µP
RESET
INPUT
GND
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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| PDF Descargar | [ Datasheet UTC812.PDF ] | |
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