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UM803

Part Number	UM803
Manufacturer	Union Semiconductor
Description	3-Pin Microprocessor Reset Circuits
Published	Jan 14, 2019
Detailed Description	UM803 3-Pin Microprocessor Reset Circuits UM803 SOT323/SOT23-3 General Description The UM803 is a microprocessor (μP) ...
Datasheet	UM803 PDF File

Overview

UM803 3-Pin Microprocessor Reset Circuits UM803 SOT323/SOT23-3 General Description The UM803 is a microprocessor (μP) supervisory circuit used to monitor the power supplies in μP and digital systems.
It provides excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.
3V, +3.
0V or +2.
5V powered circuits.
The 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 ...

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