參數(shù)資料
型號(hào): DM74ALS251SJX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: 8-Input Digital Multiplexer
中文描述: ALS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16
封裝: 5.30 MM, EIAJ TYPE2, SOP-16
文件頁(yè)數(shù): 4/7頁(yè)
文件大小: 76K
代理商: DM74ALS251SJX
www.fairchildsemi.com
4
D
Switching Characteristics
over recommended operating free air temperature range
Symbol
Parameter
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Conditions
V
CC
=
4.5V to 5.5V
C
L
=
50 pF
R
L
=
500
From
To
Min
Max
Units
Select
5
18
ns
Y
Select
8
24
ns
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
Select
8
24
ns
W
t
PHL
Select
7
23
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
t
PLH
Data
2
10
ns
Y
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
Data
3
15
ns
t
PLH
Data
3
15
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
W
t
PHL
Data
3
15
ns
t
PZH
Output Enable Time
to HIGH Level
Output Enable Time
Output Control
3
15
ns
Y
t
PZL
Output Control
3
15
ns
to LOW Level
Output Enable Time
to HIGH Level
t
PZH
Output Control
3
15
ns
W
t
PZL
Output Enable Time
to LOW Level
Output Disable Time
Output Control
3
15
ns
t
PHZ
Output Control
2
10
ns
from HIGH Level
Output Disable Time
Y
t
PLZ
Output Control
1
10
ns
from LOW Level
Output Disable Time
from HIGH Level
t
PHZ
Output Control
2
10
ns
W
t
PLZ
Output Disable Time
from LOW Level
Output Control
1
10
ns
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