參數(shù)資料
型號(hào): 74244
廠商: Fairchild Semiconductor Corporation
英文描述: Octal 3-STATE Buffer/Line Driver/Line Receiver
中文描述: 八路三態(tài)緩沖器/線路驅(qū)動(dòng)器/線接收器
文件頁數(shù): 3/6頁
文件大?。?/td> 65K
代理商: 74244
3
www.fairchildsemi.com
D
Switching Characteristics
at V
CC
=
5V, T
A
=
25
°
C
Symbol
Parameter
Conditions
Max
Units
t
PLH
Propagation Delay Time
C
L
=
45 pF
R
L
=
667
C
L
=
45 pF
R
L
=
667
C
L
=
45 pF
R
L
=
667
C
L
=
45 pF
R
L
=
667
C
L
=
5 pF
R
L
=
667
C
L
=
5 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
18
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
18
ns
t
PZL
Output Enable Time to
LOW Level
Output Enable Time to
30
ns
t
PZH
23
ns
HIGH Level
Output Disable Time
t
PLZ
25
ns
from LOW Level
Output Disable Time
from HIGH Level
t
PHZ
18
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
21
ns
t
PHL
22
ns
HIGH-to-LOW Level Output
Output Enable Time to
LOW Level
t
PZL
33
ns
t
PZH
Output Enable Time to
HIGH Level
26
ns
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