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參數(shù)資料
| 型號： | 74LS253 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 3-STATE Data Selector/Multiplexer |
| 中文描述： | 三態(tài)數(shù)據(jù)選擇器/復(fù)用器 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大小： | 56K |
| 代理商： | 74LS253 |
www.fairchildsemi.com
4
D
Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
C
Note 6:
C
L
=
5 pF.
From (Input)
R
L
=
667
Symbol
Parameter
To (Output)
C
L
=
45 pF
Min
C
L
=
150 pF
Min
Units
Max
Max
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Data to Y
25
35
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
Data to Y
20
30
ns
t
PLH
Select to Y
45
54
ns
LOW-to-HIGH Level Output
Propagation Delay Time
t
PHL
Select to Y
32
44
ns
HIGH-to-LOW Level Output
Output Enable Time to
HIGH Level Output
t
PZH
Output
Control to Y
18
32
ns
t
PZL
Output Enable Time to
LOW Level Output
Output Disable Time from
Output
Control to Y
Output
23
35
ns
t
PHZ
41
ns
HIGH Level Output (Note 6)
Output Disable Time from
LOW Level Output (Note 6)
Control to Y
Output
Control to Y
t
PLZ
27
ns
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74LS253 WAF | 制造商:Texas Instruments 功能描述: |
| 74LS253DC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74LS253N | 制造商:NXP Semiconductors 功能描述: 制造商:NXP Semiconductors 功能描述:LOGIC MUX, DUAL, 4-INPUT, LS-TTL, 16 Pin, Plastic, DIP |
| 74LS253PC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| 74LS253SC | 制造商:Texas Instruments 功能描述: |
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