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| 型號(hào)： | XQ2V6000-4CG717M |
| 廠(chǎng)商： | Xilinx, Inc. |
| 英文描述： | QPro Virtex-II 1.5V Military QML Platform FPGAs |
| 中文描述： | QPro的Virtex - II 1.5V的軍事QML第平臺(tái)FPGA |
| 文件頁(yè)數(shù)： | 23/128頁(yè) |
| 文件大?。?/td> | 2738K |
| 代理商： | XQ2V6000-4CG717M |
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QPro Virtex-II 1.5V Military QML Platform FPGAs
DS122 (v1.1) January 7, 2004
Product Specification
www.xilinx.com
1-800-255-7778
23
R
Multiplexers
Virtex-II function generators and associated multiplexers
can implement the following:
4:1 multiplexer in one slice
8:1 multiplexer in two slices
16:1 multiplexer in one CLB element (4 slices)
32:1 multiplexer in two CLB elements (8 slices)
Each Virtex-II slice has one MUXF5 multiplexer and one
MUXFX multiplexer. The MUXFX multiplexer implements
the MUXF6, MUXF7, or MUXF8, as shown in
Figure 24
.
Each CLB element has two MUXF6 multiplexers, one
MUXF7 multiplexer and one MUXF8 multiplexer. Examples
of multiplexers are shown in the
Virtex-II User Guide
(
UG002
). Any LUT can implement a 2:1 multiplexer.
Fast Lookahead Carry Logic
Dedicated carry logic provides fast arithmetic addition and
subtraction. The Virtex-II CLB has two separate carry
chains, as shown in the
Figure 25
.
The height of the carry chains is two bits per slice. The carry
chain in the Virtex-II device is running upward. The dedi-
cated carry path and carry multiplexer (MUXCY) can also
be used to cascade function generators for implementing
wide logic functions.
Arithmetic Logic
The arithmetic logic includes an XOR gate that allows a
2-bit full adder to be implemented within a slice. In addition,
a dedicated AND (MULT_AND) gate (shown in
Figure 17
)
improves the efficiency of multiplier implementation.
Figure 24:
MUXF5 and MUXFX multiplexers
Slice S1
Slice S0
Slice S3
Slice S2
CLB
DS031_08_100201
F
F
F
F
F
F
F
F
MUXF8 combines
the two MUXF7 outputs
(Two CLBs)
MUXF6 combines the two MUXF5
outputs from slices S2 and S3
MUXF7 combines the two MUXF6
outputs from slices S0 and S2
MUXF6 combines the two MUXF5
outputs from slices S0 and S1
G
F
G
F
G
F
G
F
ds122_1_1.fm Page 23 Wednesday, January 7, 2004 9:15 PM
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| XQ2V6000-4CG717N | QPro Virtex-II 1.5V Military QML Platform FPGAs |
| XQ2V6000-4FG456M | QPro Virtex-II 1.5V Military QML Platform FPGAs |
| XQ2V6000-4FG456N | QPro Virtex-II 1.5V Military QML Platform FPGAs |
| XQ4005EX-4CB191N | QML High-Reliability FPGAs |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XQ2V6000-4CG717N | 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:QPro Virtex-II 1.5V Military QML Platform FPGAs |
| XQ2V6000-4EF1152I | 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:QPro Virtex-II 1.5V Platform FPGAs |
| XQ2V6000-4FG456M | 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:QPro Virtex-II 1.5V Military QML Platform FPGAs |
| XQ2V6000-4FG456N | 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:QPro Virtex-II 1.5V Military QML Platform FPGAs |
| XQ2V6000-5EF1152I | 制造商:XILINX 制造商全稱(chēng):XILINX 功能描述:QPro Virtex-II 1.5V Platform FPGAs |
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