參數(shù)資料
型號: A1280A-1PG176C
廠商: Microsemi SoC
文件頁數(shù): 4/54頁
文件大小: 0K
描述: IC FPGA 8K GATES 176-CPGA COM
標準包裝: 21
系列: ACT™ 2
LAB/CLB數(shù): 1232
輸入/輸出數(shù): 140
門數(shù): 8000
電源電壓: 4.5 V ~ 5.5 V
安裝類型: 表面貼裝
工作溫度: 0°C ~ 70°C
封裝/外殼: 176-BCPGA
供應商設備封裝: 176-CPGA(39.88x39.88)
Detailed Specifications
2- 6
R e v ision 8
Determining Average Switching Frequency
To determine the switching frequency for a design, you must have a detailed understanding of the data
input values to the circuit. The following guidelines are meant to represent worst-case scenarios so that
they can be generally used to predict the upper limits of power dissipation. These guidelines are given in
Table 2-8 Guidelines for Predicting Power Dissipation
Data
Value
Logic Modules (m)
80% of modules
Inputs switching (n)
# inputs/4
Outputs switching (p)
# output/4
First routed array clock loads (q1)
40% of sequential modules
Second routed array clock loads (q2)
40% of sequential modules
Load capacitance (CL)
35 pF
Average logic module switching rate (fm)F/10
Average input switching rate (fn)F/5
Average output switching rate (fp)F/10
Average first routed array clock rate (fq1)F
Average second routed array clock rate (fq2)F/2
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