74ALS563A Ver la hoja de datos (PDF) - Philips Electronics
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74ALS563A Datasheet PDF : 12 Pages
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Philips Semiconductors
Latch/flip-flop
Product specification
74ALS563A/74ALS564A
LOGIC DIAGRAM – 74ALS563A
D0
D1
D2
D3
D4
D5
D6
D7
2
3
4
5
6
7
8
9
E 11
D
EQ
D
EQ
D
EQ
D
EQ
D
EQ
D
EQ
D
EQ
D
EQ
1
OE
VCC = Pin 20
GND = Pin 10
19
Q0
18
Q1
17
Q2
16
Q3
15
Q4
14
Q5
13
Q6
12
Q7
SC00116
FUNCTION TABLE – 74ALS563A
INPUTS
OE
E
Dn
OUTPUTS
REGISTER
INTERNAL
Q0 – Q7
L
H
L
L
H
L
H
H
H
L
L
↓
l
L
H
L
↓
h
H
L
L
L
X
NC
NC
H
L
X
NC
Z
H
H
Dn
Dn
Z
H=
h=
L=
l=
NC=
X=
Z=
↓=
High voltage level
High state must be present one setup time before the High-to-Low enable transition
Low voltage level
Low state must be present one setup time before the High-to-Low enable transition
No change
Don’t care
High impedance “off” state
High-to-Low enable transition
OPERATING MODE
Enable and read register
Latch and read register
Hold
Disable outputs
1996 Jul 01
4
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