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A14100BP-2BG313C PDF预览

A14100BP-2BG313C

更新时间: 2022-12-02 00:53:48
品牌 Logo 应用领域
ACTEL
页数 文件大小 规格书
40页 1250K
描述
Field Programmable Gate Array, 1377 CLBs, 10000 Gates, 150MHz, 1377-Cell, CMOS, PBGA313, PLASTIC, BGA-313

A14100BP-2BG313C 数据手册

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Routing Structure  
shown in Figure 7. Undedicated horizontal routing tracks are  
used to route signal nets. Dedicated routing tracks are used  
for the global clock networks, and for power and ground  
tie-off tracks.  
The ACT 3 architecture uses vertical and horizontal routing  
tracks to connect the various logic and I/O modules. These  
routing tracks are metal interconnects that may either be of  
continuous length or broken into segments. Segments can be  
joined together at the ends using antifuses to increase their  
lengths up to the full length of the track.  
Vertical Routing  
Vertical tracks are of three types: input, output, and long.  
Vertical tracks are also divided into one or more segments,  
with each segment in an input track dedicated to the input of  
a particular module. Each segment in an output track is  
dedicated to the output of a particular module. Long  
segments are uncommitted and can be assigned during  
routing. Each output segment spans four channels (two above  
and two below), except near the top and bottom of the array  
where edge effects occur. LVTs contain either one or two  
segments. An example of vertical routing tracks and segments  
is shown in Figure 8.  
Horizontal Routing  
Horizontal channels are located between the rows of modules,  
and are composed of several routing tracks. The horizontal  
routing tracks within the channel are divided into one or  
more segments. The minimum horizontal segment length is  
the width of a module pair, and the maximum horizontal  
segment length is the full length of the channel. Any segment  
that spans more than one-third of the row’s length is  
considered a long horizontal segment. A typical channel is  
Module Row  
HCLK  
CLK0  
NVCC  
SIGNAL  
Track  
SIGNAL  
(LHT)  
Segment  
|
|
|
|
|
|
|
HF  
SIGNAL  
NVSS  
CLK1  
Module Row  
Figure 7 Horizontal Routing Tracks and Segments  
8
 

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