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74HC21 Fiches technique(PDF) 2 Page - NXP Semiconductors

No de pièce 74HC21
Description  Dual 4-input AND gate
PDF  14 Pages
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Fabricant  NXP [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo NXP - NXP Semiconductors

74HC21 Fiches technique(HTML) 2 Page - NXP Semiconductors

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74HC21_5
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 05 — 7 May 2009
2 of 14
NXP Semiconductors
74HC21
Dual 4-input AND gate
4.
Functional diagram
5.
Pinning information
5.1 Pinning
Fig 1.
Functional diagram
Fig 2.
Logic symbol
001aab975
1A
1B
1C
1D
1
2
4
6
1Y
5
2A
2B
2C
2D
9
10
12
8
2Y
13
001aab973
1A
1B
1C
1D
1
2
4
6
1Y
5
2A
2B
2C
2D
9
10
12
8
2Y
13
Fig 3.
IEC Logic symbol
Fig 4.
Logic diagram
001aab974
&
6
1
2
4
5
&
8
9
10
12
13
001aab976
A
B
C
D
Y
Fig 5.
Pin configuration SOT27-1 and SOT108-1
Fig 6.
Pin configuration SOT337-1 and SOT402-1
1A
VCC
1B
2D
n.c.
2C
1C
n.c.
1D
2B
1Y
2A
GND
2Y
001aab972
1
2
3
4
5
6
7
8
10
9
12
11
14
13
74HC21
74HC21
1A
VCC
1B
2D
n.c.
2C
1C
n.c.
1D
2B
1Y
2A
GND
2Y
001aai659
1
2
3
4
5
6
7
8
10
9
12
11
14
13



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