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54LS85 数据表(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 54LS85
功能描述  4-Bit Magnitude Comparators
PDF  8 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

54LS85 数据表(HTML) 3 Page - National Semiconductor (TI)

  54LS85 Datasheet HTML 1Page - National Semiconductor (TI) 54LS85 Datasheet HTML 2Page - National Semiconductor (TI) 54LS85 Datasheet HTML 3Page - National Semiconductor (TI) 54LS85 Datasheet HTML 4Page - National Semiconductor (TI) 54LS85 Datasheet HTML 5Page - National Semiconductor (TI) 54LS85 Datasheet HTML 6Page - National Semiconductor (TI) 54LS85 Datasheet HTML 7Page - National Semiconductor (TI) 54LS85 Datasheet HTML 8Page - 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
To
Number of
RL e 2kX
Symbol
Parameter
Input
Output
Gate Levels
CL e 15 pF
CL e 50 pF
Units
Min
Max
Min
Max
tPLH
Propagation Delay Time
Any A or B
A k B
336
42
Low-to-High Level Output
Data Input
A l Bns
A e B
4
40
40
tPHL
Propagation Delay Time
Any A or B
A k B
330
40
High-to-Low Level Output
Data Input
A l Bns
A e B
4
30
40
tPLH
Propagation Delay Time
A k B
A l B
1
22
26
ns
Low-to-High Level Output
or A e B
tPHL
Propagation Delay Time
A k B
A l B
1
17
26
ns
High-to-Low Level Output
or A e B
tPLH
Propagation Delay Time
A eBA e B
2
20
25
ns
Low-to-High Level Output
tPHL
Propagation Delay Time
A e BA e B
2
17
26
ns
High-to-Low Level Output
tPLH
Propagation Delay Time
A l B
A k B
1
22
26
ns
Low-to-High Level Output
or A e B
tPHL
Propagation Delay Time
A l B
A k B
1
17
26
ns
High-to-Low Level Output
or A e B
3



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