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Part Name
Description
74ABT273A View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
74ABT273A
Octal D-type flip-flop
Philips Electronics
74ABT273A Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal D-type flip-flop
Product specification
74ABT273A
LOGIC SYMBOL (IEEE/IEC)
LOGIC SYMBOL
1
R
11
C1
3
1D
4
7
8
13
14
17
18
LOGIC DIAGRAM
D0
D1
3
4
11
CP
2
5
6
9
12
15
16
19
SA00054
D2
D3
7
8
3 4 7 8 13 14 17 18
D0 D1 D2 D3 D4 D5 D6 D7
11
CP
1
MR
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
2 5 6 9 12 15 16 19
SA00053
D4
13
D5
14
D6
17
D7
18
1
MR
DQ
CP
R
D
DQ
CP
R
D
DQ
CP
R
D
DQ
CP
R
D
2
5
6
9
Q0
Q1
Q2
Q3
FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING MODE
MR
CP
Dn
Q0 - Q7
L
X
X
L
Reset (clear)
H
↑
h
H
Load ”1”
H
↑
l
L
Load ”0”
H = High voltage level
h = High voltage level one set-up time prior to the Low-to-High
clock transition
L = Low voltage level
l = Low voltage level one set-up time prior to the Low-to-High
clock transition
X = Don’t care
↑
= Low-to-High clock transition
DQ
CP
R
D
DQ
CP
R
D
DQ
CP
R
D
DQ
CP
R
D
12
Q4
15
Q5
16
Q6
19
Q7
SA00055
1995 Sep 06
3
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