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| 型号： | EP20K100EFI784-1 |
| 厂商： | ALTERA CORP |
| 元件分类： | PLD |
| 英文描述： | LOADABLE PLD, PBGA784 |
| 文件页数： | 29/65页 |
| 文件大小： | 781K |
| 代理商： | EP20K100EFI784-1 |
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Altera Corporation
57
Preliminary Information
APEX 20K Programmable Logic Device Family Data Sheet
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 not be correct. 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.
Driving Signals to the ESB
ESBs provide flexible options for driving control signals. Different clocks
can be used for the ESB inputs and outputs. Registers can be inserted
independently on the data input, data output, read address, write
address, WE, and RE signals. The global signals and the local interconnect
can drive the WE and RE signals. The global signals, dedicated clock pins,
and local interconnect can drive the ESB clock signals. Because the LEs
drive the local interconnect, the LEs can control the WE and RE signals and
the ESB clock, clock enable, and asynchronous clear signals. Figure 24
shows the ESB control signal generation logic.
Figure 24. ESB Control Signal Generation
Note:
(1)
APEX 20KE devices have four dedicated clocks.
RDEN
WREN
INCLOCK
INCLKENA
OUTCLOCK
OUTCLKENA
Dedicated
Clocks
Global
Signals
Local
Interconnect
Local
Interconnect
Local
Interconnect
Local
Interconnect
2 or 4
4
Local
Interconnect
Local
Interconnect
INCLR OUTCLR
(1)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EP20K100EQC208-1 | 功能描述:FPGA - 现场可编程门阵列 CPLD - APEX 20K 416 Macro 151 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 栅极数量: 逻辑块数量:943 内嵌式块RAM - EBR:1956 kbit 输入/输出端数量:128 最大工作频率:800 MHz 工作电源电压:1.1 V 最大工作温度:+ 70 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-256 |
| EP20K100EQC208-1ES | 制造商:未知厂家 制造商全称:未知厂家 功能描述:FPGA |
| EP20K100EQC208-1X | 功能描述:FPGA - 现场可编程门阵列 CPLD - APEX 20K 416 Macro 151 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 栅极数量: 逻辑块数量:943 内嵌式块RAM - EBR:1956 kbit 输入/输出端数量:128 最大工作频率:800 MHz 工作电源电压:1.1 V 最大工作温度:+ 70 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-256 |
| EP20K100EQC208-2 | 功能描述:FPGA - 现场可编程门阵列 CPLD - APEX 20K 416 Macro 151 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 栅极数量: 逻辑块数量:943 内嵌式块RAM - EBR:1956 kbit 输入/输出端数量:128 最大工作频率:800 MHz 工作电源电压:1.1 V 最大工作温度:+ 70 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-256 |
| EP20K100EQC208-2ES | 制造商:未知厂家 制造商全称:未知厂家 功能描述:FPGA |
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