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參數資料
| 型號： | DM74LS240WM |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal 3-STATE Buffer/Line Driver/Line Receiver |
| 中文描述： | LS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁數： | 4/7頁 |
| 文件大?。?/td> | 72K |
| 代理商： | DM74LS240WM |
www.fairchildsemi.com
4
D
Switching Characteristics
at V
CC
=
5V and T
A
=
25
°
C
Symbol
Parameter
Conditions
Max
Units
t
PLH
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
C
L
=
45 pF
R
L
=
667
C
L
=
45 pF
R
L
=
667
C
L
=
45 pF
R
L
=
667
C
L
=
45 pF
R
L
=
667
C
L
=
5 pF
R
L
=
667
C
L
=
5 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
C
L
=
150 pF
R
L
=
667
DM74LS240
DM74LS241
DM74LS240
14
18
18
ns
t
PHL
ns
HIGH-to-LOW Level Output
Output Enable Time
to LOW Level
DM74LS241
DM74LS240
DM74LS241
18
30
30
t
PZL
ns
t
PZH
Output Enable Time
to HIGH Level
Output Disable Time
DM74LS240
DM74LS241
DM74LS240
23
23
25
ns
t
PLZ
ns
from LOW Level
Output Disable Time
DM74LS241
DM74LS240
25
18
t
PHZ
ns
from HIGH Level
Propagation Delay Time
LOW-to-HIGH Level Output
DM74LS241
DM74LS240
DM74LS241
18
18
21
t
PLH
ns
t
PHL
Propagation Delay Time
HIGH-to-LOW Level Output
Output Enable Time
DM74LS240
DM74LS241
DM74LS240
22
22
33
ns
t
PZL
ns
to LOW Level
Output Enable Time
to HIGH Level
DM74LS241
DM74LS240
DM74LS241
33
26
26
t
PZH
ns
相關PDF資料 |
PDF描述 |
|---|---|
| DM74LS241N | Octal 3-STATE Buffer/Line Driver/Line Receiver |
| DM74LS241WM | Octal D-Type Flip-Flop with 3-STATE Outputs; Package: SSOP; No of Pins: 20; Container: Rail |
| DM74LS240SJX | Dual 4-Bit Non-Inverting Buffer/Driver |
| DM74LS240WMX | Dual 4-Bit Non-Inverting Buffer/Driver |
| DM74LS241WMX | Dual 4-Bit Non-Inverting Buffer/Driver |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74LS240WM 89 | 制造商:National Semiconductor 功能描述:74LS240 NSC S1I2B |
| DM74LS240WM89 | 制造商:National Semiconductor 功能描述:74LS240 NSC S1I2B |
| DM74LS240WMX | 功能描述:緩沖器和線路驅動器 Oct 3-STATE Bf/Ln Dr RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| DM74LS241J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| DM74LS241N | 功能描述:緩沖器和線路驅動器 Oct 3-STATE Bf/Ln Dr RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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