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74FCT244 PDF预览

74FCT244

更新时间: 2024-01-26 17:12:00
品牌 Logo 应用领域
艾迪悌 - IDT 驱动器
页数 文件大小 规格书
9页 189K
描述
FAST CMOS OCTAL BUFFER/LINE DRIVERS

74FCT244 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:SSOP
包装说明:SSOP,针数:20
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.55Is Samacsys:N
系列:FCTJESD-30 代码:R-PDSO-G20
JESD-609代码:e3长度:7.2 mm
逻辑集成电路类型:BUS DRIVER湿度敏感等级:1
位数:4功能数量:2
端口数量:2端子数量:20
最高工作温度:85 °C最低工作温度:-40 °C
输出特性:3-STATE输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.99 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn) - annealed
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:5.3 mmBase Number Matches:1

74FCT244 数据手册

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IDT54/74FCT240T/AT/CT/DT - 2240T/AT/CT  
FAST CMOS OCTAL  
BUFFER/LINE  
IDT54/74FCT244T/AT/CT/DT - 2244T/AT/CT  
IDT54/74FCT540T/AT/CT  
IDT54/74FCT541/2541T/AT/CT  
DRIVERS  
Integrated Device Technology, Inc.  
FEATURES:  
• Common features:  
– Low input and output leakage 1µA (max.)  
– CMOS power levels  
– True TTL input and output compatibility  
– VOH = 3.3V (typ.)  
DESCRIPTION:  
TheIDToctalbuffer/linedriversarebuiltusinganadvanced  
dual metal CMOS technology. The FCT240T/FCT2240T and  
FCT244T/FCT2244Taredesignedtobeemployedasmemory  
and address drivers, clock drivers and bus-oriented transmit-  
ter/receivers which provide improved board density.  
The FCT540T and FCT541T/FCT2541T are similar in  
functiontotheFCT240T/FCT2240TandFCT244T/FCT2244T,  
respectively, except that the inputs and outputs are on oppo-  
site sides of the package. This pinout arrangement makes  
these devices especially useful as output ports for micropro-  
cessorsandasbackplanedrivers, allowingeaseoflayoutand  
greater board density.  
TheFCT2240T, FCT2244TandFCT2541Thavebalanced  
output drive with current limiting resistors. This offers low  
ground bounce, minimal undershoot and controlled output fall  
times-reducing the need for external series terminating resis-  
tors. FCT2xxxT parts are plug-in replacements for FCTxxxT  
parts.  
– VOL = 0.3V (typ.)  
– Meets or exceeds JEDEC standard 18 specifications  
– Product available in Radiation Tolerant and Radiation  
Enhanced versions  
– Military product compliant to MIL-STD-883, Class B  
and DESC listed (dual marked)  
– Available in DIP, SOIC, SSOP, QSOP, CERPACK  
and LCC packages  
• Features for FCT240T/FCT244T/FCT540T/FCT541T:  
– Std., A, C and D speed grades  
– High drive outputs (-15mA IOH, 64mA IOL)  
• Features for FCT2240T/FCT2244T/FCT2541T:  
– Std., A and C speed grades  
– Resistor outputs (-15mA IOH, 12mA IOL Com.)  
(-12mA IOH, 12mA IOL Mil.)  
– Reduced system switching noise  
FUNCTIONAL BLOCK DIAGRAMS  
OEB  
OEA  
OEA  
OEA  
OEB  
OEB  
OA0  
DB0  
DA0  
OB0  
DA1  
OB1  
OA0  
DB0  
OA1  
DB1  
D0  
D1  
O0  
O1  
DA0  
OB0  
DA1  
OB1  
D2  
D3  
D4  
D5  
D6  
D7  
O2  
OA1  
DB1  
O3  
O4  
O5  
O6  
O7  
DA2  
OA2  
DB2  
OA3  
DB3  
DA2  
OB2  
OA2  
DB2  
OB2  
DA3  
DA3  
OB3  
OA3  
DB3  
OB3  
FCT240/2240T  
FCT540/541/2541T  
FCT244/2244T  
*Logic diagram shown for 'FCT540.  
'FCT541/2541T is the non-inverting option.  
2565 drw 01  
2565 drw 03  
2565 drw 02  
The IDT logo is a registered trademark of Integrated Device Technology, Inc.  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
DECEMBER 1995  
1996 Integrated Device Technology, Inc.  
6.8  
DSC-2565/6  
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