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U74HC21 Datasheet(PDF) 2 Page - Unisonic Technologies

Part # U74HC21
Description  DUAL 4-INPUT AND GATES
Download  5 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

U74HC21 Datasheet(HTML) 2 Page - Unisonic Technologies

  U74HC21_15 Datasheet HTML 1Page - Unisonic Technologies U74HC21_15 Datasheet HTML 2Page - Unisonic Technologies U74HC21_15 Datasheet HTML 3Page - Unisonic Technologies U74HC21_15 Datasheet HTML 4Page - Unisonic Technologies U74HC21_15 Datasheet HTML 5Page - Unisonic Technologies  
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U74HC21
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
2 of 5
www.unisonic.com.tw
QW-R502-632.D
PIN CONFIGURATION
1A
1B
NC
1C
1D
1Y
GND
VCC
2D
2C
NC
2B
2A
2Y
1
2
3
4
5
6
7
14
13
12
11
10
9
8
FUNCTION TABLE
INPUT(A)
INPUT(B)
INPUT(C)
INPUT(D)
OUTPUT(Y)
H
H
H
H
H
L
X
X
X
L
X
L
X
X
L
X
X
L
X
L
X
X
X
L
L
LOGIC DIAGRAM


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