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74FCT16543ATPVG PDF预览

74FCT16543ATPVG

更新时间: 2024-10-29 00:56:31
品牌 Logo 应用领域
艾迪悌 - IDT /
页数 文件大小 规格书
7页 96K
描述
FAST CMOS 16-BIT LATCHED TRANSCEIVER

74FCT16543ATPVG 数据手册

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FAST CMOS  
16-BIT LATCHED  
TRANSCEIVER  
IDT74FCT16543AT/CT  
DESCRIPTION:  
FEATURES:  
• 0.5 MICRON CMOS Technology  
The FCT16543T 16-bit latched transceivers are built using advanced  
dual metal CMOS technology. These high-speed, low-power devices are  
organized as two independent 8-bit D-type latched transceivers with  
separateinputandoutputcontroltopermitindependentcontrolofdataflow  
in either direction. For example, the A-to-B Enable (xCEAB) must be low  
inordertoenterdatafromtheAportortooutputdatafromtheBport. xLEAB  
controlsthelatchfunction.WhenxLEABislow,thelatchesaretransparent.  
A subsequent low-to-high transition of xLEAB signal puts the A latches in  
the storage mode. xOEAB performs output enable function on the B port.  
Data flow from the B port to the A port is similar but requires using xCEBA,  
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 and TSSOP packages  
The FCT16543T is ideally suited for driving high-capacitance loads  
and low-impedance backplanes. The output buffers are designed with  
power off disable capability to allow "live insertion" of boards when used  
as backplane drivers.  
FUNCTIONAL BLOCK DIAGRAM  
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  
1B1  
D
D
C
D
C
D
TO SEVEN OTHER CHANNELS  
TO SEVEN OTHER CHANNELS  
IDTandtheIDTlogoareregisteredtrademarksofIntegratedDeviceTechnology,Inc.  
INDUSTRIAL TEMPERATURE RANGE  
JULY 2017  
1
©2017 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.  
DSC-5444/6  

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