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參數(shù)資料
| 型號： | DM74LS251 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 3-STATE 1-of-8 Line Data Selector/Multiplexer(三態(tài)輸出的八選一的數(shù)據(jù)選擇器/多路器) |
| 中文描述： | 三態(tài)- 1 - 8線數(shù)據(jù)選擇器/多路（三態(tài)輸出的八選一的數(shù)據(jù)選擇器/多路器） |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 58K |
| 代理商： | DM74LS251 |
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
A, B, C
(4 Levels) to Y
45
53
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
A, B, C
(4 Levels) to Y
A, B, C
45
53
ns
t
PLH
33
38
ns
LOW-to-HIGH Level Output
Propagation Delay Time
(3 Levels) to W
A, B, C
t
PHL
33
42
ns
HIGH-to-LOW Level Output
Propagation Delay Time
LOW-to-HIGH Level Output
(3 Levels) to W
t
PLH
D to Y
28
35
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Propagation Delay Time
D to Y
28
38
ns
t
PLH
D to W
15
25
ns
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
t
PHL
D to W
15
25
ns
t
PZH
Output Enable Time to
HIGH Level Output
Output Enable Time to
Strobe to Y
45
60
ns
t
PZL
Strobe to Y
40
51
ns
LOW Level Output
Output Disable Time from
HIGH Level Output (Note 6)
t
PHZ
Strobe to Y
45
ns
t
PLZ
Output Disable Time from
LOW Level Output (Note 6)
Output Enable Time to
Strobe to Y
25
ns
t
PZH
Strobe to W
27
40
ns
HIGH Level Output
Output Enable Time to
LOW Level Output
t
PZL
Strobe to W
40
47
ns
t
PHZ
Output Disable Time from
HIGH Level Output (Note 6)
Output Disable Time from
Strobe to W
55
ns
t
PLZ
Strobe to W
25
ns
LOW Level Output (Note 6)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DM74LS251MX | 8-Input Digital Multiplexer |
| DM74LS251M | 3-STATE 1-of-8 Line Data Selector/Multiplexer |
| DM74LS251N | 3-STATE 1-of-8 Line Data Selector/Multiplexer |
| DM74LS253 | 3-STATE Data Selector/Multiplexer(三態(tài)輸出的數(shù)據(jù)選擇器/多路器) |
| DM74LS253M | Octal D-Type Latch with 3-STATE Outputs; Package: SSOP; No of Pins: 20; Container: Rail |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DM74LS251 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74LS251M | 功能描述:編碼器、解碼器、復用器和解復用器 3-STATE Data Sel/Mul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| DM74LS251MX | 功能描述:編碼器、解碼器、復用器和解復用器 3-STATE Data Sel/Mul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| DM74LS251N | 功能描述:編碼器、解碼器、復用器和解復用器 3-STATE Data Sel/Mul RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| DM74LS253 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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