74HC21 Datasheet, PDF (2/14 Pages) NXP Semiconductors – Dual 4-input AND gate

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