74ABT573A 데이터 시트보기 (PDF) - Philips Electronics
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74ABT573A Datasheet PDF : 6 Pages
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Philips Semiconductors
Octal D-type transparent latch (3-State)
Product specification
74ABT573A
LOGIC SYMBOL (IEEE/IEC)
LOGIC SYMBOL
1
EN
11
C1
2
2D
1
19
3
18
11
4
17
1
5
16
6
15
7
14
8
13
9
12
SA00187
FUNCTION TABLE
INPUTS
INTERNAL OUTPUTS
OPERATING MODE
OE
E
Dn
REGISTER Q0 – Q7
L
H
L
L
L
H
H
H
L
H
Enable and read register
L
↓
l
L
L
↓
h
H
L
L
X
NC
L
H
Latch and read register
NC
Hold
H
L
X
NC
H
H
Dn
Dn
Z
Z
Disable outputs
H=
h=
L=
l=
NC=
X=
Z=
↓=
High voltage level
High voltage level one set-up time prior to the High-to-Low E transition
Low voltage level
Low voltage level one set-up time prior to the High-to-Low E transition
No change
Don’t care
High impedance “off” state
High-to-Low E transition
LOGIC DIAGRAM
D0
D1
D2
D3
D4
2
3
4
5
6
23456789
D0 D1 D2 D3 D4 D5 D6 D7
E
OE
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
19 18 17 16 15 14 13 12
D5
D6
D7
7
8
9
SA00186
11
E
1
OE
1995 Sep 06
D
EQ
D
EQ
D
EQ
D
EQ
D
EQ
D
EQ
D
EQ
D
EQ
19
Q0
18
Q1
17
Q2
16
Q3
2
15
Q4
14
Q5
13
Q6
12
Q7
SA00188
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