74F398SC NSC [National Semiconductor], 74F398SC Datasheet - Page 5

• Manufacturer Part Number: 74F398SC
• Description: Quad 2-Port Register
• Manufacturer: NSC [National Semiconductor]

Symbol
f
t
t
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
AC Electrical Characteristics
max
PLH
PHL
AC Operating Requirements
s
s
h
h
s
s
s
s
h
h
w
w
’F398 3 3 ns
(H)
(L)
(H)
(L)
(H)
(L)
(H)
(L)
(H)
(L)
(H)
(L)
Input Clock Frequency
Propagation Delay
CP to Q or Q
Setup Time HIGH or LOW
I
Hold Time HIGH or LOW
I
Setup Time HIGH or LOW
S to CP (’F398)
Setup Time HIGH or LOW
S to CP (’F399)
Hold Time HIGH or LOW
S to CP
CP Pulse Width
HIGH or LOW
n
n
to CP
to CP
Parameter
Parameter
3 0
Min
100
3 0
Min
3 0
3 0
1 0
1 0
7 5
7 5
7 5
7 5
4 0
5 0
V
T
0
0
V
T
CC
C
A
CC
A
L
e a
e a
e a
e
74F
e a
Typ
74F
140
5 7
6 8
50 pF
25 C
25 C
5 0V
5 0V
Max
5
Max
7 5
9 0
10 5
10 5
Min
4 5
4 5
1 5
1 5
9 5
9 5
4 0
7 0
T
0
0
A
Min
T
3 0
3 0
80
V
A
C
54F
CC
L
V
e
e
54F
CC
50 pF
Mil
e
Max
Max
11 5
Mil
9 5
T
Min
3 0
3 0
1 0
1 0
8 5
8 5
8 5
8 5
4 0
5 0
T
Min
100
A
3 0
3 0
0
0
A
C
V
V
L
CC
CC
74F
e
74F
e
50 pF
e
Com
Max
Com
Max
10 0
8 5
Units
Units
MHz
ns
ns
ns
ns