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SN74LS273J Datasheet(PDF) 2 Page - Texas Instruments

Part No. SN74LS273J
Description  OCTAL D-TYPE FLIP-FLOP WITH CLEAR
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN74LS273J Datasheet(HTML) 2 Page - Texas Instruments

   
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SN54273, SN54LS273, SN74273, SN74LS273
OCTAL D-TYPE FLIP-FLOP WITH CLEAR
SDLS090 – OCTOBER 1976 – REVISED MARCH 1988
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
schematics of inputs and outputs
VCC
EQUIVALENT OF EACH INPUT
INPUT
Req
′273
Clear: Req = 3 kΩ NOM
Clock: Req = 6 kΩ NOM
All other inputs: Req = 8 kΩ NOM
VCC
TYPICAL OF ALL OUTPUTS
100
NOM
OUTPUT
VCC
EQUIVALENT OF EACH INPUT
INPUT
20 k
NOM
′LS273
VCC
TYPICAL OF ALL OUTPUTS
120
Ω NOM
OUTPUT
logic diagram (positive logic)
11
CLOCK
1
CLEAR
1D
1Q
R
C1
1D
1D
C1
R
2Q
2D
1D
C1
R
3Q
3D
1D
C1
R
4Q
4D
1D
C1
R
5Q
5D
1D
C1
R
6Q
6D
1D
C1
R
7Q
7D
1D
C1
R
8Q
8D
2
34
5
7
6
8
9
13
12
14
15
17
16
18
19
Pin numbers shown are for the DW, J, N, and W packages.


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