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DM54S251 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. DM54S251
Description  TRI-STATE 1 of 8 Line Data Selector/Multiplexer
Download  6 Pages
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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DM54S251 Datasheet(HTML) 3 Page - National Semiconductor (TI)

   
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Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load)
From (Input)
RL e 280X
Symbol
Parameter
To (Output)
CL e 15 pF
CL e 50 pF
Units
Min
Max
Min
Max
tPLH
Propagation Delay Time
A B or C
18
21
ns
Low to High Level Output
(4 Levels) to Y
tPHL
Propagation Delay Time
A B or C
195
23
ns
High to Low Level Output
(4 Levels) to Y
tPLH
Propagation Delay Time
A B or C
15
18
ns
Low to High Level Output
(3 Levels) to W
tPHL
Propagation Delay Time
A B or C
135
17
ns
High to Low Level Output
(3 Levels) to W
tPLH
Propagation Delay Time
D to Y
12
15
ns
Low to High Level Output
tPHL
Propagation Delay Time
D to Y
12
15
ns
High to Low Level Output
tPLH
Propagation Delay Time
DtoW
7
10
ns
Low to High Level Output
tPHL
Propagation Delay Time
DtoW
7
10
ns
High to Low Level Output
tPZH
Output Enable Time
Strobe
195
ns
to High Level Output
to Y
tPZL
Output Enable Time
Strobe
21
ns
to Low Level Output
to Y
tPHZ
Output Disable Time
Strobe
85
ns
to High Level Output (Note 1)
to Y
tPLZ
Output Disable Time
Strobe
14
ns
to Low Level Output (Note 1)
to Y
tPZH
Output Enable Time
Strobe
195
ns
to High Level Output
to W
tPZL
Output Enable Time
Strobe
21
ns
to Low Level Output
to W
tPHZ
Output Disable Time
Strobe
85
ns
to High Level Output (Note 1)
to W
tPLZ
Output Disable Time
Strobe
14
ns
to Low Level Output (Note 1)
to W
Note 1
CL e 5 pF
3


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