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| 型号： | XCS10XL-3BG144I |
| 厂商： | Xilinx, Inc. |
| 英文描述： | Spartan and Spartan-XL Families Field Programmable Gate Arrays |
| 中文描述： | 斯巴达和Spartan - xL的家庭现场可编程门阵列 |
| 文件页数： | 9/82页 |
| 文件大小： | 863K |
| 代理商： | XCS10XL-3BG144I |
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Spartan and Spartan-XL Families Field Programmable Gate Arrays
DS060 (v1.6) September 19, 2001
Product Specification
1-800-255-7778
R
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.
相关PDF资料 |
PDF描述 |
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| XCS10XL-3BG208C | Spartan and Spartan-XL Families Field Programmable Gate Arrays |
| XCS10XL-3BG208I | Spartan and Spartan-XL Families Field Programmable Gate Arrays |
| XCS10XL-3BG240C | Spartan and Spartan-XL Families Field Programmable Gate Arrays |
| XCS10XL-3BG256C | Spartan and Spartan-XL Families Field Programmable Gate Arrays |
| XCS10XL-3BG256I | Spartan and Spartan-XL Families Field Programmable Gate Arrays |
相关代理商/技术参数 |
参数描述 |
|---|---|
| XCS10XL-3BG208C | 制造商:XILINX 制造商全称:XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays |
| XCS10XL-3BG208I | 制造商:XILINX 制造商全称:XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays |
| XCS10XL-3BG240C | 制造商:XILINX 制造商全称:XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays |
| XCS10XL-3BG240I | 制造商:XILINX 制造商全称:XILINX 功能描述:Spartan and Spartan-XL Families Field Programmable Gate Arrays |
| XCS10XL-3BG256C | 制造商:XILINX 制造商全称:XILINX 功能描述:Spartan and Spartan-XL FPGA |
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