參數(shù)資料
型號(hào): HD74LV245A
廠商: Hitachi,Ltd.
英文描述: Octal Bus Transceivers with 3-state Outputs(三態(tài)輸出的八總線收發(fā)器)
中文描述: 八路總線收發(fā)器具有三態(tài)輸出(三態(tài)輸出的八總線收發(fā)器)
文件頁數(shù): 8/15頁
文件大?。?/td> 70K
代理商: HD74LV245A
HD74LV245A
8
Switching Characteristics (cont)
V
CC
= 5.0
±
0.5 V
Ta = 25
°
C
Ta = –40 to 85
°
C
Item
Symbol
Min
Typ
Max
Min
Max
Unit
Test Conditions
FROM
(Input)
TO
(Output)
Propagation
delay time
t
PLH
t
PHL
4.3
5.5
1.0
6.5
ns
C
L
= 15 pF
A or B
B or A
5.6
7.5
1.0
8.5
C
L
= 50 pF
Enable time
t
ZH
t
ZL
5.7
8.5
1.0
10.0
ns
C
L
= 15 pF
OE
A or B
7.0
10.6
1.0
12.0
C
L
= 50 pF
Disable
time
t
HZ
t
LZ
7.8
12.8
1.0
14.2
ns
C
L
= 15 pF
OE
A or B
10.9
14.7
1.0
16.0
C
L
= 50 pF
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