DM74S244N Просмотр технического описания (PDF) - Fairchild Semiconductor
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Компоненты Описание
производитель
DM74S244N Datasheet PDF : 4 Pages
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Switching Characteristics
VCC = 5V, TA = 25°C
Symbol
Parameter
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
tPZL
Output Enable Time to
LOW Level
tPZH
Output Enable Time to
HIGH Level
tPLZ
Output Disable Time
from Low Level
tPHZ
Output Disable Time
from High Level
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
tPZL
Output Enable Time to
LOW Level
tPZH
Output Enable Time to
HIGH Level
Conditions
Min
CL = 45 pF
RL = 90Ω
CL = 45 pF
RL = 90Ω
CL = 45 pF
RL = 90Ω
CL = 45 pF
RL= 90Ω
CL = 5 pF
RL = 90Ω
CL = 5 pF
RL = 90Ω
CL = 150 pF
RL = 90Ω
CL = 150 pF
RL = 90Ω
CL = 150 pF
RL = 90Ω
CL = 150 pF
RL = 90Ω
DM74S240
2
DM74S241, DM74244
2
DM74S240
2
DM74S241, DM74244
2
DM74S240
3
DM74S241, DM74244
3
DM74S240
2
DM74S241, DM74244
3
DM74S240
4
DM74S241, DM74244
2
DM74S240
2
DM74S241, DM74244
2
DM74S240
3
DM74S241, DM74244
4
DM74S240
3
DM74S241, DM74244
4
DM74S240
6
DM74S241, DM74244
6
DM74S240
4
DM74S241, DM74244
4
Max
Units
7
ns
9
7
ns
9
15
ns
15
10
ns
12
15
ns
15
9
ns
9
10
ns
12
10
ns
12
21
ns
21
12
ns
15
3
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