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參數資料
| 型號： | EPF10K20TI144-4N |
| 廠商： | Altera |
| 文件頁數： | 36/128頁 |
| 文件大小： | 0K |
| 描述： | IC FLEX 10K FPGA 20K 144-TQFP |
| 產品培訓模塊： | Three Reasons to Use FPGA's in Industrial Designs |
| 標準包裝： | 60 |
| 系列： | FLEX-10K® |
| LAB/CLB數： | 144 |
| 邏輯元件/單元數： | 1152 |
| RAM 位總計： | 12288 |
| 輸入/輸出數： | 102 |
| 門數： | 63000 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 工作溫度： | -40°C ~ 100°C |
| 封裝/外殼： | 144-LQFP |
| 供應商設備封裝： | 144-TQFP（20x20） |
| 其它名稱： | 544-2221 |
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Altera Corporation
15
FLEX 10K Embedded Programmable Logic Device Family Data Sheet
The programmable flipflop in the LE can be configured for D, T, JK, or SR
operation. The clock, clear, and preset control signals on the flipflop can
be driven by global signals, general-purpose I/O pins, or any internal
logic. For combinatorial functions, the flipflop is bypassed and the output
of the LUT drives the output of the LE.
The LE has two outputs that drive the interconnect; one drives the local
interconnect and the other drives either the row or column FastTrack
Interconnect. The two outputs can be controlled independently. For
example, the LUT can drive one output while the register drives the other
output. This feature, called register packing, can improve LE utilization
because the register and the LUT can be used for unrelated functions.
The FLEX 10K architecture provides two types of dedicated high-speed
data paths that connect adjacent LEs without using local interconnect
paths: carry chains and cascade chains. The carry chain supports high-
speed counters and adders; the cascade chain implements wide-input
functions with minimum delay. Carry and cascade chains connect all LEs
in an LAB and all LABs in the same row. Intensive use of carry and
cascade chains can reduce routing flexibility. Therefore, the use of these
chains should be limited to speed-critical portions of a design.
Carry Chain
The carry chain provides a very fast (as low as 0.2 ns) carry-forward
function between LEs. The carry-in signal from a lower-order bit drives
forward into the higher-order bit via the carry chain, and feeds into both
the LUT and the next portion of the carry chain. This feature allows the
FLEX 10K architecture to implement high-speed counters, adders, and
comparators of arbitrary width efficiently. Carry chain logic can be
created automatically by the Compiler during design processing, or
manually by the designer during design entry. Parameterized functions
such as LPM and DesignWare functions automatically take advantage of
carry chains.
Carry chains longer than eight LEs are automatically implemented by
linking LABs together. For enhanced fitting, a long carry chain skips
alternate LABs in a row. A carry chain longer than one LAB skips either
from even-numbered LAB to even-numbered LAB, or from odd-
numbered LAB to odd-numbered LAB. For example, the last LE of the
first LAB in a row carries to the first LE of the third LAB in the row. The
carry chain does not cross the EAB at the middle of the row. For instance,
in the EPF10K50 device, the carry chain stops at the eighteenth LAB and a
new one begins at the nineteenth LAB.
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| RSC44DRYH-S13 | CONN EDGECARD 88POS .100 EXTEND |
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| RSC60DREN | CONN EDGECARD 120POS .100 EYELET |
| A54SX32A-TQG144 | IC FPGA 249I/O 144TQFP |
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