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SN54HC74 Datasheet(PDF) 3 Page - Texas Instruments

Part # SN54HC74
Description  SNx4HC74 Dual D-Type Positive-Edge-Triggered Flip-Flops With Clear and Preset
PDF  41 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

SN54HC74 Datasheet(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
1D
1CLK
1PRE
1Q
1Q
GND
2CLR
2D
2CLK
2PRE
2Q
VCC
2Q
1CLR
D, DB, N, NS, PW, J, or W Package
14-Pin SOIC, SSOP, PDIP, SO, TSSOP, CDIP, or CFP
Top View
4
5
6
7
8
3
2
1
20 19
18
17
16
15
14
9
10 11 12 13
1CLK
NC
1PRE
NC
1Q
1D
NC VCC
1Q GND NC 2Q 2Q
2D
NC
2CLK
NC
2PRE
FK Package
20-Pin LCCC
Top View
Pin Functions
PIN
I/O
DESCRIPTION
NAME
D, DB, N,
NS, PW, J,
or W
FK
1 CLR
1
2
Input
Channel 1, Clear Input, Active Low
1D
2
3
Input
Channel 1, Data Input
1CLK
3
4
Input
Channel 1, Positive edge triggered clock input
1 PRE
4
6
Input
Channel 1, Preset Input, Active Low
1Q
5
8
Output
Channel 1, Output
1 Q
6
9
Output
Channel 1, Inverted Output
GND
7
10
—
Ground
2 Q
8
12
Output
Channel 2, Inverted Output
2Q
9
13
Output
Channel 2, Output
2 PRE
10
14
Input
Channel 2, Preset Input, Active Low
2CLK
11
16
Input
Channel 2, Positive edge triggered clock input
2D
12
18
Input
Channel 2, Data Input
2 CLR
13
19
Input
Channel 2, Clear Input, Active Low
VCC
14
20
—
Positive Supply
NC
1, 5, 7, 11, 15,
17
—
Not internally connected
www.ti.com
SN74HC74, SN54HC74
SCLS094F – DECEMBER 1982 – REVISED JUNE 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: SN74HC74 SN54HC74



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