74ABT534AN Просмотр технического описания (PDF) - Philips Electronics
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74ABT534AN Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal D-type flip-flop, inverting (3-State)
Product specification
74ABT534A
LOGIC SYMBOL
LOGIC SYMBOL (IEEE/IEC)
3 4 7 8 13 14 17 18
1
EN
11
C1
D0 D1 D2 D3 D4 D5 D6 D7
11
CP
1
OE
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
2 5 6 9 12 15 16 19
SA00162
3
1D
2
4
5
7
6
8
9
13
12
14
15
17
16
18
19
SA00163
FUNCTION TABLE
INPUTS
INTERNAL
OE CP Dn REGISTER
L↑
l
L
L
↑
h
H
L↑ X
NC
H↑ X
NC
H ↑ Dn
Dn
OUTPUTS
Q0 – Q7
OPERATING
MODE
H
Latch and read
L
register
NC
Hold
Z
Disable
Z
outputs
LOGIC DIAGRAM
D0
D1
D2
D3
3
4
7
8
H=
h=
L=
l=
NC=
X=
Z=
↑=
↑=
High voltage level
High voltage level one set-up time prior to the Low-to-High
clock transition
Low voltage level
Low voltage level one set-up time prior to the Low-to-High
clock transition
No change
Don’t care
High impedance “off” state
Low-to-High clock transition
not a Low-to-High clock transition
D4
13
D5
14
D6
17
D7
18
11
CP
1
OE
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
D
CP Q
2
5
6
9
12
15
16
19
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
SA00164
1997 Feb 03
3
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