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參數(shù)資料

型號(hào)：	XCS20-4PC84I
廠商：	Xilinx, Inc.
英文描述：	Spartan and Spartan-XL Families Field Programmable Gate Arrays
中文描述：	斯巴達(dá)和Spartan - xL的家庭現(xiàn)場(chǎng)可編程門(mén)陣列
文件頁(yè)數(shù)：	9/82頁(yè)
文件大?。?/td>	863K
代理商：	XCS20-4PC84I

Spartan and Spartan-XL Families Field Programmable Gate Arrays

DS060 (v1.6) September 19, 2001

Product Specification

1-800-255-7778

and Spartan-XL families, speeding up arithmetic and count-

ing functions.

The carry chain in 5V Spartan devices can run either up or

down. At the top and bottom of the columns where there are

no CLBs above and below, the carry is propagated to the

right. The default is always to propagate up the column, as

shown in the figures. The carry chain in Spartan-XL devices

can only run up the column, providing even higher speed.

Figure 16, page 18 shows a Spartan/XL CLB with dedi-

cated fast carry logic. The carry logic shares operand and

control inputs with the function generators. The carry out-

puts connect to the function generators, where they are

combined with the operands to form the sums.

Figure 17, page 19 shows the details of the Spartan/XL

carry logic. This diagram shows the contents of the box

labeled "CARRY LOGIC" in Figure 16.

The fast carry logic can be accessed by placing special

library symbols, or by using Xilinx Relationally Placed Mac-

ros (RPMs) that already include these symbols.

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XCS20-4PQ144C	Spartan and Spartan-XL Families Field Programmable Gate Arrays
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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
XCS20-4PQ100C	制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays
XCS20-4PQ100I	制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays
XCS20-4PQ144C	制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays
XCS20-4PQ144I	制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays
XCS20-4PQ208C	功能描述:IC FPGA 5V C-TEMP 208-PQFP RoHS:否類(lèi)別:集成電路 (IC) >> 嵌入式 - FPGA（現(xiàn)場(chǎng)可編程門(mén)陣列）系列:Spartan® 標(biāo)準(zhǔn)包裝:1 系列:Kintex-7 LAB/CLB數(shù):25475 邏輯元件/單元數(shù):326080 RAM 位總計(jì):16404480 輸入/輸出數(shù):350 門(mén)數(shù):- 電源電壓:0.97 V ~ 1.03 V 安裝類(lèi)型:表面貼裝工作溫度:0°C ~ 85°C 封裝/外殼:900-BBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:900-FCBGA（31x31）其它名稱(chēng):122-1789

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