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參數(shù)資料
| 型號(hào)： | HD74LVC574A |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal D-type Flip Flops with 3-state Outputs |
| 中文描述： | 八路D型人字拖與三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 5/9頁(yè) |
| 文件大?。?/td> | 49K |
| 代理商： | HD74LVC574A |
HD74LVC574A
5
Switching Characteristics
Ta = –40 to 85
°
C
Item
Symbol V
CC
(V)
f
max
Min
Typ
Max
Unit
From (Input) To (Output)
Maximum clock
frequency
2.7
80.0
—
—
MHz
3.3
±
0.3
5.0
±
0.5
100.0 150.0 —
MHz
125.0 —
—
MHz
Propagation delay time
t
PLH
t
PHL
2.7
—
—
9.5
ns
CK
Q
3.3
±
0.3
5.0
±
0.5
1.5
—
8.5
ns
—
—
7.0
ns
Output enable time
t
ZH
t
ZL
2.7
—
—
9.5
ns
OC
Q
3.3
±
0.3
5.0
±
0.5
1.5
—
8.5
ns
—
—
7.0
ns
Output disable time
t
HZ
t
LZ
2.7
—
—
8.5
ns
OC
Q
3.3
±
0.3
5.0
±
0.5
1.5
—
7.5
ns
—
—
6.5
ns
Setup time
t
su
2.7
2.0
—
—
ns
3.3
±
0.3
5.0
±
0.5
2.0
—
—
ns
2.0
—
—
ns
Hold time
t
h
2.7
1.5
—
—
ns
3.3
±
0.3
5.0
±
0.5
1.5
—
—
ns
1.5
—
—
ns
Pulse width
t
w
2.7
3.3
—
—
ns
3.3
±
0.3
5.0
±
0.5
3.3
—
—
ns
3.3
—
—
ns
Between output
pins skew
*1
t
OSLH
2.7
—
—
—
ns
t
OSHL
3.3
±
0.3
5.0
±
0.5
—
—
1.0
ns
—
—
1.0
ns
Input capacitance
C
IN
C
O
2.7
—
3.0
—
pF
Output capacitance
Note:
1. This parameter is characterized but not tested.
tos
LH
= | t
PLHm
- t
PLHn
|, tos
HL
= | t
PHLm
- t
PHLn
|
2.7
—
15.0
—
pF
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