参数资料
型号: LFEC3E-4FN256C
厂商: Lattice Semiconductor Corporation
文件页数: 13/163页
文件大小: 0K
描述: IC FPGA 3.1KLUTS 160I/O 256-BGA
标准包装: 90
系列: EC
逻辑元件/单元数: 3100
RAM 位总计: 56320
输入/输出数: 160
电源电压: 1.14 V ~ 1.26 V
安装类型: 表面贴装
工作温度: 0°C ~ 85°C
封装/外壳: 256-BGA
供应商设备封装: 256-FPBGA(17x17)
2-8
Architecture
LatticeECP/EC Family Data Sheet
Secondary Clock Sources
LatticeECP/EC devices have four secondary clock resources per quadrant. The secondary clock branches are
tapped at every PFU. These secondary clock networks can also be used for controls and high fanout data. These
secondary clocks are derived from four clock input pads and 16 routing signals as shown in Figure 2-7.
Figure 2-7. Secondary Clock Sources
Clock Routing
The clock routing structure in LatticeECP/EC devices consists of four Primary Clock lines and a Secondary Clock
network per quadrant. The primary clocks are generated from MUXs located in each quadrant. Figure 2-8 shows
this clock routing. The four secondary clocks are generated from MUXs located in each quadrant as shown in
Figure 2-9. Each slice derives its clock from the primary clock lines, secondary clock lines and routing as shown in
20 Secondary Clock Sources
To Quadrant Clock Selection
From Routing
From
Routing
From
Routing
From
Routing
From
Routing
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Routing
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Routing
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Routing
From
Routing
相关PDF资料
PDF描述
LFEC3E-4F256C IC FPGA 3.1KLUTS 160I/O 256-BGA
LFEC3E-3F256I IC FPGA 3.1KLUTS 160I/O 256-BGA
HSC43DRYI CONN EDGECARD 86POS DIP .100 SLD
GSC31DTEF CONN EDGECARD 62POS .100 EYELET
ACC35DRAN CONN EDGECARD 70POS .100 R/A DIP
相关代理商/技术参数
参数描述
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