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UM803JS Datasheet(PDF) 2 Page - Union Semiconductor, Inc.

Part # UM803JS
Description  3-Pin Microprocessor Reset Circuits
PDF  11 Pages
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Manufacturer  UNIONSEMI [Union Semiconductor, Inc.]
Direct Link  http://www.union-ic.com
Logo UNIONSEMI - Union Semiconductor, Inc.

UM803JS Datasheet(HTML) 2 Page - Union Semiconductor, Inc.

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________________________________________________________________________
http://www.union-ic.com Rev.01 Jan.2015
2/11
UM803
Ordering Information
UM8 XX Z P
XX: Output Type
=03
Open-Drain Active Low
Z: Reset Threshold (V)
=L
4.63
=M
4.38
=J
4.00
=T
3.08
=S
2.93
=R
2.63
=Z
2.32
P: Package Type
=S
SOT23-3
=P
SOT323
Typical Operating Circuit
VCC
UM803
GND
RESET
VCC
GND
RESET
INPUT
VCC
μP
Rpullup
Pin Description
Pin
Number
Pin Name
Function
1
GND
Ground
2
RESET
______________
RESET
_____________
Output remains low while VCC is below the reset threshold,
and for at least 140ms after VCC rises above the reset threshold.
3
VCC
+5V, +3.3V, +3V or +2.5V Supply Voltage



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