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74LS240PCQR PDF预览

74LS240PCQR

更新时间: 2024-11-18 13:01:27
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 驱动器
页数 文件大小 规格书
7页 75K
描述
Bus Driver, 2-Func, 4-Bit, Inverted Output, TTL, PDIP20,

74LS240PCQR 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete包装说明:DIP, DIP20,.3
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.87控制类型:ENABLE LOW
JESD-30 代码:R-PDIP-T20JESD-609代码:e0
逻辑集成电路类型:BUS DRIVER位数:4
功能数量:2端子数量:20
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE输出极性:INVERTED
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP20,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V子类别:Bus Driver/Transceivers
标称供电电压 (Vsup):5 V表面贴装:NO
技术:TTL温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

74LS240PCQR 数据手册

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August 1986  
Revised March 2000  
DM74LS240 • DM74LS241  
Octal 3-STATE Buffer/Line Driver/Line Receiver  
General Description  
Features  
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.  
3-STATE outputs drive bus lines directly  
PNP inputs reduce DC loading on bus lines  
Hysteresis at data inputs improves noise margins  
Typical IOL (sink current)  
24 mA  
Typical IOH (source current)  
15 mA  
Typical propagation delay times  
Inverting  
10.5 ns  
12 ns  
Noninverting  
Typical enable/disable time 18 ns  
Typical power dissipation (enabled)  
Inverting  
130 mW  
135 mW  
Noninverting  
Ordering Code:  
Order Number Package Number  
Package Description  
DM74LS240WM  
DM74LS240SJ  
DM74LS240N  
DM74LS241WM  
DM74LS241N  
M20B  
M20D  
N20A  
M20B  
N20A  
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  
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.  
Connection Diagrams  
DM74LS240  
DM74LS241  
© 2000 Fairchild Semiconductor Corporation  
DS006411  
www.fairchildsemi.com  

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