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参数资料
| 型号： | EPF10K200S |
| 厂商： | Altera Corporation |
| 英文描述： | Embedded Programmable Logic Family(FLEX10KE嵌入式可编程逻辑系列) |
| 中文描述： | 嵌入式可编程逻辑系列（FLEX10KE嵌入式可编程逻辑系列） |
| 文件页数： | 2/20页 |
| 文件大小： | 322K |
| 代理商： | EPF10K200S |
2
Altera Corporation
PIB 21: Implementing Logic with the Embedded Array in FLEX 10K Devices
EABs can be cascaded to implement functions that require more inputs or
outputs than are available in a single EAB. Each EAB can have a
maximum of 11 inputs and 1 output. Therefore, a function with 11 inputs
and 2 outputs is divided into two EABs, so that each EAB has 11 inputs
and 1 output.
Reconfiguring the EAB for a different number of inputs and outputs does
not affect its performance. The delay in an EAB remains constant,
provided the function fits into the EAB (i.e., has a permissible number of
inputs and outputs). Likewise, the delay in each EAB is the same for two
functions that each fit into an EAB. For instance, the delay in the EAB for
a 6-input function and the delay in the EAB of an 8-input function are the
same.
In addition, the timing performance in an EAB does not change as its
configuration size changes. EABs can be cascaded to form RAM blocks up
to 2,048 words without affecting performance. The EAB RAM size is
flexible and can be configured as any of the following sizes: 256
512
×
4, 1,024
×
2, or 2,048
×
1. The appropriate configuration size depends
on the function to be implemented; for instance, an EAB is configured as
256
×
8 to implement an 8-input, 8-output function. Larger RAMs are
created by combining multiple EABs. Thus, two 256
combined to form a 256
×
16 RAM without a timing penalty.
×
8,
×
8 RAMs can be
Configuring the
EAB as a
Look-Up Table
Logic functions are implemented by programming the EAB during
configuration with a read-only pattern, creating a large look-up table
(LUT). The pattern can be reconfigured during device operation to change
the logic function. The LUT looks up the results of the functions rather
than using algorithms to calculate them.
When a logic function is implemented in an EAB, the input data is driven
in on the address input of the EAB. The result is looked up in the LUT and
driven out on the output port. Using the LUT to find the result of a
function is faster than using algorithms implemented in general logic.
Table 1. Inputs and Outputs per EAB
Inputs
Outputs
8
9
8
4
2
1
10
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EPF10K200SBC356-1 | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 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 |
| EPF10K200SBC356-1X | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 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 |
| EPF10K200SBC356-2 | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 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 |
| EPF10K200SBC356-2X | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 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 |
| EPF10K200SBC356-3 | 功能描述:FPGA - 现场可编程门阵列 FPGA - Flex 10K 1248 LABs 274 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 |
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