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參數(shù)資料
| 型號(hào)： | EP20K100EFC324-2N |
| 廠商： | Altera |
| 文件頁(yè)數(shù)： | 47/117頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC APEX 20KE FPGA 100K 324-FBGA |
| 產(chǎn)品培訓(xùn)模塊： | Three Reasons to Use FPGA's in Industrial Designs |
| 標(biāo)準(zhǔn)包裝： | 84 |
| 系列： | APEX-20K® |
| LAB/CLB數(shù)： | 416 |
| 邏輯元件/單元數(shù)： | 4160 |
| RAM 位總計(jì)： | 53248 |
| 輸入/輸出數(shù)： | 246 |
| 門數(shù)： | 263000 |
| 電源電壓： | 1.71 V ~ 1.89 V |
| 安裝類型： | 表面貼裝 |
| 工作溫度： | 0°C ~ 85°C |
| 封裝/外殼： | 324-BGA |
| 供應(yīng)商設(shè)備封裝： | 324-FBGA（19x19） |
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Altera Corporation
35
APEX 20K Programmable Logic Device Family Data Sheet
Figure 23. APEX 20KE CAM Block Diagram
CAM can be used in any application requiring high-speed searches, such
as networking, communications, data compression, and cache
management.
The APEX 20KE on-chip CAM provides faster system performance than
traditional discrete CAM. Integrating CAM and logic into the APEX 20KE
device eliminates off-chip and on-chip delays, improving system
performance.
When in CAM mode, the ESB implements 32-word, 32-bit CAM. Wider or
deeper CAM can be implemented by combining multiple CAMs with
some ancillary logic implemented in LEs. The Quartus II software
combines ESBs and LEs automatically to create larger CAMs.
CAM supports writing “don’t care” bits into words of the memory. The
“don’t-care” bit can be used as a mask for CAM comparisons; any bit set
to “don’t-care” has no effect on matches.
The output of the CAM can be encoded or unencoded. When encoded, the
ESB outputs an encoded address of the data’s location. For instance, if the
data is located in address 12, the ESB output is 12. When unencoded, the
ESB uses its 16 outputs to show the location of the data over two clock
cycles. In this case, if the data is located in address 12, the 12th output line
goes high. When using unencoded outputs, two clock cycles are required
to read the output because a 16-bit output bus is used to show the status
of 32 words.
The encoded output is better suited for designs that ensure duplicate data
is not written into the CAM. If duplicate data is written into two locations,
the CAM’s output will be incorrect. If the CAM may contain duplicate
data, the unencoded output is a better solution; CAM with unencoded
outputs can distinguish multiple data locations.
CAM can be pre-loaded with data during configuration, or it can be
written during system operation. In most cases, two clock cycles are
required to write each word into CAM. When “don’t-care” bits are used,
a third clock cycle is required.
wraddress[]
data[]
wren
inclock
inclocken
inaclr
data_address[]
match
outclock
outclocken
outaclr
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EP20K100EFC324-2 | IC APEX 20KE FPGA 100K 324-FBGA |
| GEC44DTES | CONN EDGECARD 88POS .100 EYELET |
| GBB105DHAT | CONN EDGECARD 210PS R/A .050 SLD |
| AMM22DTMN-S189 | CONN EDGECARD 44POS R/A .156 SLD |
| AMM22DTMH-S189 | CONN EDGECARD 44POS R/A .156 SLD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EP20K100EFC324-2X | 功能描述:FPGA - 現(xiàn)場(chǎng)可編程門陣列 CPLD - APEX 20K 416 Macro 246 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 |
| EP20K100EFC3242XN | 制造商:Altera Corporation 功能描述:FPGA APEX 20K Family 100K Gates 4160 Cells 250MHz CMOS Technology 1.8V 324-Pin FBGA |
| EP20K100EFC324-3 | 功能描述:FPGA - 現(xiàn)場(chǎng)可編程門陣列 CPLD - APEX 20K 416 Macro 246 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 |
| EP20K100EFC324-3ES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FPGA |
| EP20K100EFC324-3N | 功能描述:FPGA - 現(xiàn)場(chǎng)可編程門陣列 CPLD - APEX 20K 416 Macro 246 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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