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參數(shù)資料
| 型號： | 74F573DC |
| 英文描述： | 8-Bit D-Type Latch |
| 中文描述： | 8位D型鎖存器 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 81K |
| 代理商： | 74F573DC |
5
www.fairchildsemi.com
7
AC Electrical Characteristics
AC Operating Requirements
Symbol
Parameter
T
A
=
+
25
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Typ
85
5.0
8.0
T
A
=
0
°
C to
+
70
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Min
80
3.0
5.0
Units
Min
70
3.0
5.0
Max
Max
f
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PHL
Maximum Clock Frequency
Propagation Delay
CP to I/O
n
Propagation Delay
CP to TC
Propagation Delay
7.5
11.5
8.0
11.5
ns
5.0
5.0
4.5
7.5
7.0
7.0
11.5
11.5
9.0
5.0
5.0
4.5
12.0
12.0
10.0
ns
ns
U/D to TC
Propagation Delay
CEP or CET to TC
4.5
2.5
3.5
8.0
3.8
6.0
9.5
6.0
8.0
4.5
2.5
3.5
10.0
6.5
8.5
ns
Propagation Delay
MR to I/O
n
Propagation Delay
5.0
7.5
10.0
5.0
10.0
ns
t
PHL
6.5
10.0
13.0
6.5
13.5
ns
MR to TC
Output Enable Time
CS or PE to I/O
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
PLZ
3.0
5.5
5.0
8.0
8.5
10.5
3.0
5.5
9.0
11.5
ns
Output Disable Time
CS or PE to I/O
Output Enable Time
2.0
2.0
3.0
5.0
4.5
5.0
8.5
8.0
8.0
2.0
2.0
3.0
9.0
8.5
8.5
ns
ns
OE to I/O
n
Output Disable Time
OE to I/O
n
5.0
2.0
2.0
8.0
4.0
4.0
11.0
6.5
6.0
5.0
2.0
2.0
12.0
6.5
6.5
ns
Symbol
Parameter
T
A
=
+
25
°
C
V
CC
=
+
5.0V
Typ
T
A
=
0
°
C to
+
70
°
C
V
CC
=
+
5.0V
Min
4.0
Units
Min
4.0
Max
Max
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
W
(H)
t
W
(L)
Setup Time
ns
I/O
n
to CP
Hold Time
I/O
n
to CP
Setup Time
PE, CS or SR to CP
Hold Time
4.0
0.0
0.0
4.0
0.0
0.0
ns
9.5
9.5
0.0
9.5
9.5
0.0
ns
ns
PE, CS or SR to CP
Setup Time
CET or CEP to CP
0.0
6.5
9.5
0.0
6.5
9.5
ns
Hold Time
CET or CEP to CP
Setup Time
0.0
0.0
9.0
0.0
0.0
9.5
ns
ns
U/D to CP
Hold Time
U/D to CP
9.0
0.0
0.0
9.5
0.0
0.0
ns
Clock Pulse Width
HIGH or LOW
4.5
4.5
4.5
4.5
ns
t
W
(L)
t
REC
MR Pulse Width
Recovery Time
3.0
3.0
ns
4.0
4.0
ns
MR to CP
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