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PI74FCT16244DTA PDF预览

PI74FCT16244DTA

更新时间： 2024-10-27 23:27:39
品牌 Logo 应用领域
其他 - ETC 驱动器逻辑集成电路光电二极管输出元件
页数 文件大小 规格书
6页 263K
描述
Quad 4-Bit Buffer/Driver

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PI74FCT16244DTA 数据手册

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PI74FCT16244T  
PI74FCT162244T  
PI74FCT162H244T  
Fast CMOS 16-Bit Buffer/Line Drivers  
Product Description  
Product Features  
CommonFeatures  
Pericom Semiconductor’s PI74FCT series of logic circuits are  
produced using the Company’s advanced 0.6 micron CMOS  
technology, achieving industry leading speed grades.  
• PI74FCT16244T,PI74FCT162244TandPI74FCT162H244T  
are high-speed, low-power devices with high-current drive  
V
=5V±10%  
PI74FCT16244T,PI74FCT162244T,andPI74FCT162H244Tare  
non-inverting 16-bit buffer/line drivers designed for applications  
driving high capacitance loads and low impedance backplanes.  
Thesehigh-speed,lowpowerdevicesofferbus/backplaneinterface  
capability and a flow-through organization for ease of board  
layout. These devices are designed with three-state controls to  
operate in a Quad-Nibble, Dual-Byte, or a single 16-bit word  
mode.  
CC  
• Hysteresis on all inputs  
• Packagesavailable:  
– 48-pin240milwideplasticTSSOP(A)  
– 48-pin300milwideplasticSSOP(V)  
– 48-pin173milwideplasticTVSOP(K)  
• Device models available upon request  
PI74FCT16244TFeatures  
The PI74FCT16244T output buffers are designed with a Power-  
Off disable allowing “live insertion” of boards when used as  
backplane drivers.  
• High output drive: I = –32mA; I = 64mA  
• Power off disable outputs permit "live insertion"  
• Typical V (Output Ground Bounce)  
< 1.0V at V = 5V, T = 25°C  
PI74FCT162244T Features  
OH  
OL  
OLP  
The PI74FCT162244T has ±24mA balanced output drivers. It is  
designed with current limiting resistors at its outputs to control the  
output edge rate resulting in lower ground bounce and undershoot.  
This eliminates the need for external terminating resistors for most  
interface applications.  
CC  
A
• Balanced output drivers: ±24mA  
• Reduced system switching noise  
• Typical VOLP (Output Ground Bounce)  
< 0.6V at V = 5V, T = 25°C  
PI74FCT162H244T Features  
The PI74FCT162H244T has “Bus Hold” which retains the input’s  
last state whenever the input goes to high-impedance preventing  
“floating” inputs and eliminating the need for pull-up/down  
resistors.  
CC  
A
• Bus Hold retains last active bus state during 3-State  
• Eliminates the need for external pull-up resistors  
Logic Block Diagram  
PS2031D  
05/17/99  
1
123456

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