參數(shù)資料
型號(hào)： LFXP15C-4FN256C
廠商： LATTICE SEMICONDUCTOR CORP
元件分類： FPGA
中文描述： FPGA, 1932 CLBS, PBGA256
封裝： 17 X 17 MM, LEAD FREE, FPBGA-256
文件頁數(shù)： 38/130頁
文件大?。?/td> 1312K
代理商： LFXP15C-4FN256C
2-12
Architecture
Lattice Semiconductor
LatticeXP Family Data Sheet
Table 2-6. sysMEM Block Configurations
Bus Size Matching
All of the multi-port memory modes support different widths on each of the ports. The RAM bits are mapped LSB
word 0 to MSB word 0, LSB word 1 to MSB word 1 and so on. Although the word size and number of words for
each port varies, this mapping scheme applies to each port.
RAM Initialization and ROM Operation
If desired, the contents of the RAM can be pre-loaded during device configuration. By preloading the RAM block
during the chip configuration cycle and disabling the write controls, the sysMEM block can also be utilized as a
ROM.
Memory Cascading
Larger and deeper blocks of RAMs can be created using EBR sysMEM Blocks. Typically, the Lattice design tools
cascade memory transparently, based on specific design inputs.
Single, Dual and Pseudo-Dual Port Modes
Figure 2-14 shows the four basic memory configurations and their input/output names. In all the sysMEM RAM
modes the input data and address for the ports are registered at the input of the memory array. The output data of
the memory is optionally registered at the output.
Memory Mode
Configurations
Single Port
8,192 x 1
4,096 x 2
2,048 x 4
1,024 x 9
512 x 18
256 x 36
True Dual Port
8,192 x 1
4,096 x 2
2,048 x 4
1,024 x 9
512 x 18
Pseudo Dual Port
8,192 x 1
4,096 x 2
2,048 x 4
1,024 x 9
512 x 18
256 x 36
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LFXP15C-4FN256I 功能描述:FPGA - 現(xiàn)場可編程門陣列 15.4K LUTs 188 IO 1. 8/2.5/3.3V-4 Spd I 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
LFXP15C-4FN388C 功能描述:FPGA - 現(xiàn)場可編程門陣列 15.4K LUTs 268 IO 1. 8/2.5/3.3V -4 Spd 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
LFXP15C-4FN388I 功能描述:FPGA - 現(xiàn)場可編程門陣列 15.4K LUTs 268 IO 1. 8/2.5/3.3V-4 Spd I 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
LFXP15C-4FN484C 功能描述:FPGA - 現(xiàn)場可編程門陣列 15.4K LUTs 1.8/2.5/3 .3V -4 Spd 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
LFXP15C-4FN484I 功能描述:FPGA - 現(xiàn)場可編程門陣列 15.4K LUTs 1.8/2.5/3 .3V-4 Spd I 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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