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CD54HC21 Datenblatt(PDF) 3 Page - Texas Instruments

Teilenummer CD54HC21
Bauteilbeschribung  CDx4HC21 Dual 4-Input AND Gates
PDF  27 Pages
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Hersteller  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

CD54HC21 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, or J Package
14-Pin SOIC, PDIP, or CDIP
Top View
Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
1A
1
Input
Channel 1, Input A
1B
2
Input
Channel 1, Input B
NC
3, 11
—
Not internally connected
1C
4
Input
Channel 1, Input C
1D
5
Input
Channel 1, Input D
1Y
6
Output
Channel 1, Output Y
GND
7
—
Ground
2Y
8
Output
Channel 2, Output Y
2A
9
Input
Channel 2, Input A
2B
10
Input
Channel 2, Input B
2C
12
Input
Channel 2, Input C
2D
13
Input
Channel 2, Input D
VCC
14
—
Positive Supply
www.ti.com
CD74HC21, CD54HC21
SCHS131D – AUGUST 1997 – REVISED MAY 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: CD74HC21 CD54HC21



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