74F651 • 74F652
AC Electrical Characteristics
T
A
= +25°C
Symbol
Parameter
V
CC
= +5.0V
C
L
=
50 pF
Min
f
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Max. Clock Frequency
Propagation Delay
Clock to Bus
Propagation Delay
Bus to Bus (74F651)
Propagation Delay
Bus to Bus (74F652)
Propagation Delay
SBA or SAB to A or B
90
2.0
2.0
2.0
1.0
1.0
1.0
2.0
2.0
7.0
8.0
8.5
7.5
7.0
6.5
8.5
8.0
Max
T
A
= −55°C
to
+125°C
V
CC
= +5.0V
C
L
=
50 pF
Min
75
2.0
2.0
1.0
1.0
1.0
1.0
2.0
2.0
8.5
9.5
9.0
8.0
8.0
8.0
11.0
10.0
Max
T
A
=
0°C to
+70°C
V
CC
= +5.0V
C
L
=
50 pF
Min
90
2.0
2.0
2.0
1.0
1.0
1.0
2.0
2.0
8.0
9.0
9.0
8.0
7.5
7.0
9.5
9.0
Max
MHz
ns
ns
ns
ns
Units
AC Operating Requirements
T
A
= +25°C
Symbol
Parameter
V
CC
= +5.0V
Min
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
W
(H)
t
W
(L)
Enable Time
*OEBA to A
Disable Time
*OEBA to A
Enable Time
OEAB to B
Disable Time
OEAB to B
Setup Time, HIGH or
LOW, Bus to Clock
Hold Time, HIGH or
LOW, Bus to Clock
Clock Pulse Width
HIGH or LOW
2.0
2.0
1.0
2.0
2.0
3.0
2.0
2.0
5.0
5.0
2.0
2.0
5.0
5.0
Max
9.5
12.0
7.5
8.5
9.5
13.0
9.0
10.5
T
A
= −55°C
to
+125°C
V
CC
= +5.0V
Min
2.0
2.0
1.0
1.0
2.0
2.0
1.0
1.0
5.0
5.0
2.5
2.5
5.0
5.0
Max
10.0
10.0
9.0
9.0
10.0
12.0
9.0
12.0
T
A
=
0°C to
+70°C
V
CC
= +5.0V
Min
2.0
2.0
1.0
2.0
2.0
3.0
2.0
2.0
5.0
5.0
2.0
2.0
5.0
5.0
Max
10.0
12.5
8.0
9.0
10.0
14.0
10.0
11.0
ns
ns
ns
ns
ns
Units
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