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參數資料
| 型號： | DM74LS240SJX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Dual 4-Bit Non-Inverting Buffer/Driver |
| 中文描述： | LS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-20 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 72K |
| 代理商： | DM74LS240SJX |
2000 Fairchild Semiconductor Corporation
DS006411
www.fairchildsemi.com
August 1986
Revised March 2000
D
DM74LS240 DM74LS241
Octal 3-STATE Buffer/Line Driver/Line Receiver
General Description
These buffers/line drivers are designed to improve both the
performance and PC board density of 3-STATE buffers/
drivers employed as memory-address drivers, clock driv-
ers, and bus-oriented transmitters/receivers. Featuring
400 mV of hysteresis at each low current PNP data line
input, they provide improved noise rejection and high
fanout outputs and can be used to drive terminated lines
down to 133
.
Features
I
3-STATE outputs drive bus lines directly
I
PNP inputs reduce DC loading on bus lines
I
Hysteresis at data inputs improves noise margins
I
Typical I
OL
(sink current)
24 mA
I
Typical I
OH
(source current)
15 mA
I
Typical propagation delay times
Inverting
10.5 ns
Noninverting
12 ns
I
Typical enable/disable time 18 ns
I
Typical power dissipation (enabled)
Inverting
130 mW
Noninverting
135 mW
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
DM74LS240
DM74LS241
Order Number
DM74LS240WM
DM74LS240SJ
DM74LS240N
DM74LS241WM
DM74LS241N
Package Number
M20B
M20D
N20A
M20B
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
相關PDF資料 |
PDF描述 |
|---|---|
| DM74LS240WMX | Dual 4-Bit Non-Inverting Buffer/Driver |
| DM74LS241WMX | Dual 4-Bit Non-Inverting Buffer/Driver |
| DM74LS241 | Octal 3-STATE Buffer/Line Driver/Line Receiver(八緩沖器/線驅動器/線接收器（三態(tài)輸出）) |
| DM74LS243 | Octal D-Type Flip-Flop with 3-STATE Outputs; Package: TSSOP; No of Pins: 20; Container: Rail |
| DM74LS243M | Octal D-Type Flip-Flop with 3-STATE Outputs; Package: TSSOP; No of Pins: 20; Container: Tape & Reel |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74LS240WM | 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 |
| 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 |
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