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74LS245 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # 74LS245
Description  TRI-STATE Octal Bus Transceiver
PDF  6 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

74LS245 Datasheet(HTML) 3 Page - National Semiconductor (TI)

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Switching Characteristics VCC e 5V TA e 25 C (See Section 1 for Test Waveforms and Output Load)
DM5474
Symbol
Parameter
Conditions
LS245
Units
Min
Max
tPLH
Propagation Delay Time Low-to-High-Level Output
12
ns
tPHL
Propagation Delay Time High-to-Low-Level Output
CL e 45 pF
12
ns
tPZL
Output Enable Time to Low Level
RL e 667X
40
ns
tPZH
Output Enable Time to High Level
40
ns
tPLZ
Output Disable Time from Low Level
CL e 5pF
25
ns
tPHZ
Output Disable Time from High Level
RL e 667X
25
ns
tPLH
Propagation Delay Time Low-to-High-Level Output
16
ns
tPHL
Propagation Delay Time High-to-Low-Level Output
CL e 150 pF
17
ns
tPZL
Output Enable Time to Low Level
RL e 667X
45
ns
tPZH
Output Enable Time to High Level
45
ns
3



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