DM74S257CW Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
DM74S257CW Datasheet PDF : 5 Pages
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Switching Characteristics
at VCC = 5V and TA = 25°C
Symbol
Parameter
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
HIGH-to-LOW Level Output
tPZH
Output Enable Time
to HIGH Level Output
tPZL
Output Enable Time
to LOW Level Output
tPHZ
Output Disable Time
to HIGH Level Output (Note 5)
tPLZ
Output Disable Time
to LOW Level Output (Note 5)
Note 5: CL = 5 pF.
From (Input)
To (Output)
Data to Output
Data to Output
Select to Output
Select to Output
Output Control to Y
Output Control to Y
Output Control to Y
Output Control to Y
RL = 280Ω
CL = 15 pF
CL = 50 pF
Min
Max
Min
Max
7.5
11
6.5
10
15
16
15
16
19.5
23
21
24
8.5
14
Units
ns
ns
ns
ns
ns
ns
ns
ns
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