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SN54HC21 Datenblatt(PDF) 3 Page - Texas Instruments

Teilenummer SN54HC21
Bauteilbeschribung  SNx4HC21 Dual 4-Input AND Gates
PDF  34 Pages
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Hersteller  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

SN54HC21 Datenblatt(HTML) 3 Page - Texas Instruments

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5 Pin Configuration and Functions
1
2
3
7
4
5
6
14
13
12
8
11
10
9
1A
1B
NC
1C
1D
1Y
GND
2D
2C
NC
2B
2A
2Y
V
CC
D, N, NS, PW, or J Package
14-Pin SOIC, PDIP, SO, TSSOP, or CDIP
Top View
4
5
6
7
8
3
2
1
20
19
18
17
16
15
14
9
10 11 12 13
NC
NC
1C
NC
1D
1B 1A NC V
CC 2D
1Y GND NC 2Y 2A
2C
NC
NC
NC
2B
FK Package
20-Pin LCCC
Top View
Pin Functions
PIN
I/O
DESCRIPTION
NAME
D, N, NS,
PW, or J
FK
1A
1
2
Input
Channel 1, Input A
1B
2
3
Input
Channel 1, Input B
NC
3, 11
1, 4, 5, 7, 11, 15,
16, 17
—
Not internally connected
1C
4
6
Input
Channel 1, Input C
1D
5
8
Input
Channel 1, Input D
1Y
6
9
Output
Channel 1, Output Y
GND
7
10
—
Ground
2Y
8
12
Output
Channel 2, Output Y
2A
9
13
Input
Channel 2, Input A
2B
10
14
Input
Channel 2, Input B
2C
12
18
Input
Channel 2, Input C
2D
13
19
Input
Channel 2, Input D
VCC
14
20
—
Positive Supply
www.ti.com
SN74HC21, SN54HC21
SCLS087F – DECEMBER 1982 – REVISED JUNE 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: SN74HC21 SN54HC21



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