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參數(shù)資料
| 型號： | EP1C6T144C7ES |
| 廠商： | Altera Corporation |
| 英文描述： | Cyclone FPGA Family Data Sheet |
| 中文描述： | 氣旋的FPGA系列數(shù)據(jù)手冊 |
| 文件頁數(shù)： | 13/104頁 |
| 文件大小： | 763K |
| 代理商： | EP1C6T144C7ES |
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Altera Corporation
January 2007
2–7
Preliminary
Logic Elements
functions. Another special packing mode allows the register output to
feed back into the LUT of the same LE so that the register is packed with
its own fan-out LUT. This provides another mechanism for improved
fitting. The LE can also drive out registered and unregistered versions of
the LUT output.
LUT Chain & Register Chain
In addition to the three general routing outputs, the LEs within an LAB
have LUT chain and register chain outputs. LUT chain connections allow
LUTs within the same LAB to cascade together for wide input functions.
Register chain outputs allow registers within the same LAB to cascade
together. The register chain output allows an LAB to use LUTs for a single
combinatorial function and the registers to be used for an unrelated shift
register implementation. These resources speed up connections between
LABs while saving local interconnect resources.
“MultiTrack
Interconnect” on page 2–12
for more information on LUT chain and
register chain connections.
addnsub Signal
The LE's dynamic adder/subtractor feature saves logic resources by
using one set of LEs to implement both an adder and a subtractor. This
feature is controlled by the LAB-wide control signal
addnsub
. The
addnsub
signal sets the LAB to perform either A + B or A
B. The LUT
computes addition; subtraction is computed by adding the two's
complement of the intended subtractor. The LAB-wide signal converts to
two's complement by inverting the B bits within the LAB and setting
carry-in = 1 to add one to the least significant bit (LSB). The LSB of an
adder/subtractor must be placed in the first LE of the LAB, where the
LAB-wide
addnsub
signal automatically sets the carry-in to 1. The
Quartus II Compiler automatically places and uses the adder/subtractor
feature when using adder/subtractor parameterized functions.
LE Operating Modes
The Cyclone LE can operate in one of the following modes:
■
■
Normal mode
Dynamic arithmetic mode
Each mode uses LE resources differently. In each mode, eight available
inputs to the LE
the four data inputs from the LAB local interconnect,
carry-in0
and
carry-in1
from the previous LE, the LAB carry-in
from the previous carry-chain LAB, and the register chain connection
are
directed to different destinations to implement the desired logic function.
LAB-wide signals provide clock, asynchronous clear, asynchronous
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EP1C6T144C7N | 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 98 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256 |
| EP1C6T144C8 | 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 98 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256 |
| EP1C6T144C8N | 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 98 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256 |
| EP1C6T144I7 | 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 98 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256 |
| EP1C6T144I7N | 功能描述:FPGA - 現(xiàn)場可編程門陣列 FPGA - Cyclone I 598 LABs 98 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256 |
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