参数资料
型号: LFX125EB-04FN256I
厂商: Lattice Semiconductor Corporation
文件页数: 13/119页
文件大小: 0K
描述: IC FPGA 139K GATES 256-BGA
标准包装: 90
系列: ispXPGA®
逻辑元件/单元数: 1936
RAM 位总计: 94208
输入/输出数: 160
门数: 139000
电源电压: 2.3 V ~ 3.6 V
安装类型: 表面贴装
工作温度: -40°C ~ 105°C
封装/外壳: 256-BGA
供应商设备封装: 256-FPBGA(17x17)
Lattice Semiconductor
ispXPGA Family Data Sheet
7
Figure 4. LUT in Shift Register Mode
Carry Chain Generator
The Carry Chain Generator is useful for implementing high-speed arithmetic functions. The CCG consists of a two-
input XOR gate whose carryout can be cascaded with the input of the adjacent CCG. As shown in Figure 5, the
carryin signal feeds CLE3 of the PFU and is propagated through CLE2 and CLE1 before reaching CLE0. The sum
output of the CCG can be fed to the CSE through the WLG. The carryout must propagate to CLE0 for use outside
the PFU. The carryout from the PFU can feed the W0 input of CSE0. The CCG also helps to effectively implement
wider functions by using its logic elements to expand the capabilities of the LUT-4.
Figure 5. Carry Chain Generator
Wide Logic Generator
The WLG contains the logic necessary to implement wide gate functions. This is made up of a set of multiplexers
that are located between the CLE and the CSE. The WLG helps in enhancing the wide gating capability of the PFU.
The outputs of each CLE can be cascaded in the WLG to build wide gating functions. Wide multiplexing functions
are also possible with a similar use of the WLG. Figure 6 illustrates the WLG.
LUT-4
PFUCLK0
SHIFTOUT (4A)
SEL (SHIFTIN)
CEB0
A
B
CIN
COUT
SUM
CLE3
CLE1
CLE2
CLE0
SUM3
COUT(r,c)
COUT to
CSE0
CIN from
Routing
COUT(r+1,c)
SUM2
SUM1
SUM0
SELECT
DEVICES
DISCONTINUED
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参数描述
LFX125EB-04FN516C 功能描述:FPGA - 现场可编程门阵列 E-Ser139K Gt ispJTA G 2.5/3.3V -4 Spd 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
LFX125EB-04FN516I 功能描述:FPGA - 现场可编程门阵列 E-Ser139K Gt ispJTA G 2.5/3.3V -4 Spd I 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
LFX125EB-05F256C 功能描述:FPGA - 现场可编程门阵列 139K Gates, 160 I/O 2.5/3.3V, -5 speed 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
LFX125EB-05F516C 功能描述:FPGA - 现场可编程门阵列 139K 176 I/O ispJTAG 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
LFX125EB-05FH516C 功能描述:FPGA - 现场可编程门阵列 Use LFX125EB-05F516C 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