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IDT74FCT16543ATPA8 PDF预览

IDT74FCT16543ATPA8

更新时间: 2024-10-29 05:25:07
品牌 Logo 应用领域
艾迪悌 - IDT 光电二极管
页数 文件大小 规格书
7页 81K
描述
Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, TSSOP-56

IDT74FCT16543ATPA8 数据手册

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FAST CMOS  
16-BIT LATCHED  
TRANSCEIVER  
IDT74FCT16543AT/CT/ET  
DESCRIPTION:  
FEATURES:  
The FCT16543T16-bitlatchedtransceivers are builtusingadvanced  
• 0.5 MICRON CMOS Technology  
dualmetalCMOStechnology.These high-speed,low-powerdevices are  
organized as two independent 8-bit D-type latched transceivers with  
separateinputandoutputcontroltopermitindependentcontrolofdataflow  
ineitherdirection.Forexample,the A-to-BEnable (xCEAB)mustbe low  
inordertoenterdatafromtheAportortooutputdatafromtheBport. xLEAB  
controlsthelatchfunction.WhenxLEABislow,thelatchesaretransparent.  
Asubsequentlow-to-hightransitionofxLEAB signalputs the Alatches in  
the storage mode.xOEAB performs outputenable functiononthe Bport.  
Data flowfromthe Bporttothe Aportis similarbutrequires usingxCEBA,  
xLEBA, and xOEBA inputs. Flow-through organization of signal pins  
simplifieslayout.Allinputsaredesignedwithhysteresisforimprovednoise  
margin.  
High-speed, low-power CMOS replacement for ABT functions  
Typical tSK(o) (Output Skew) < 250ps  
Low input and output leakage 1µA (max.)  
VCC = 5V ±10%  
High drive outputs (–32mA IOH, 64mA IOL)  
• Power off disable outputs permit “live insertion”  
Typical VOLP (Output Ground Bounce) < 1.0V at VCC = 5V,  
TA = 25°C  
Available in SSOP, TSSOP, and TVSOP packages  
The FCT16543T is ideally suited for driving high-capacitance loads  
and low-impedance backplanes. The output buffers are designed with  
poweroffdisable capabilitytoallow"live insertion"ofboards whenused  
as backplane drivers.  
FUNCTIONALBLOCKDIAGRAM  
56  
29  
2OEBA  
1OEBA  
31  
54  
2CEBA  
1CEBA  
30  
55  
2LEBA  
1LEBA  
1
28  
2OEAB  
1OEAB  
26  
3
2CEAB  
1CEAB  
27  
2
2LEAB  
1LEAB  
C
C
15  
5
2A1  
1A1  
42  
52  
2B1  
D
1B1  
D
C
D
C
D
TO SEVEN OTHER CHANNELS  
TO SEVEN OTHER CHANNELS  
TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.  
INDUSTRIAL TEMPERATURE RANGE  
JULY 2002  
1
© 2002 Integrated Device Technology, Inc.  
DSC-5444/4  

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