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參數(shù)資料
| 型號： | HD74LVC244 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers / Line Drivers with 3-state Outputs |
| 中文描述： | 八路緩沖器/線路驅(qū)動器，三態(tài)輸出 |
| 文件頁數(shù)： | 5/9頁 |
| 文件大?。?/td> | 47K |
| 代理商： | HD74LVC244 |
HD74LVC244A
5
Switching Characteristics
Ta = –40 to 85
°
C
Item
Symbol V
CC
(V)
t
PLH
t
PHL
Min
Typ
Max
Unit
From (Input) To (Output)
Propagation delay time
2.7
—
—
7.5
ns
A
Y
3.3
±
0.3
5.0
±
0.5
1.5
—
6.5
ns
—
—
5.0
ns
Output enable time
t
ZH
t
ZL
2.7
—
—
9.0
ns
G
Y
3.3
±
0.3
5.0
±
0.5
1.5
—
8.0
ns
—
—
6.5
ns
Output disable time
t
ZH
t
LZ
2.7
—
—
8.0
ns
G
Y
3.3
±
0.3
5.0
±
0.5
1.5
—
7.0
ns
—
—
6.0
ns
Between outut pins skew
*1
t
OSLH
t
OSHL
2.7
—
—
—
ns
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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