參數(shù)資料
型號(hào): 74245
廠商: Fairchild Semiconductor Corporation
英文描述: 3-STATE Octal Bus Transceiver
中文描述: 三態(tài)八路總線收發(fā)器
文件頁數(shù): 3/6頁
文件大?。?/td> 66K
代理商: 74245
3
www.fairchildsemi.com
D
Switching Characteristics
V
CC
=
5V, T
A
=
25
°
C
Symbol
Parameter
Conditions
Min
Max
Units
t
PLH
Propagation Delay Time,
LOW-to-HIGH Level Output
Propagation Delay Time,
C
L
=
45 pF
R
L
=
667
12
ns
t
PHL
12
ns
HIGH-to-LOW Level Output
Output Enable Time
to LOW Level
t
PZL
40
ns
t
PZH
Output Enable Time
to HIGH Level
Output Disable Time
40
ns
t
PLZ
C
L
=
5 pF
R
L
=
667
25
ns
from LOW Level
Output Disable Time
t
PHZ
25
ns
from HIGH Level
Propagation Delay Time,
LOW-to-HIGH Level Output
t
PLH
C
L
=
150 pF
R
L
=
667
16
ns
t
PHL
Propagation Delay Time,
HIGH-to-LOW Level Output
Output Enable Time
17
ns
t
PZL
45
ns
to LOW Level
Output Enable Time
to HIGH Level
t
PZH
45
ns
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