參數(shù)資料
型號： EPF8482A
英文描述： Programmable Logic
中文描述： 可編程邏輯
文件頁數(shù)： 46/61頁
文件大小： 979K
代理商： EPF8482A
50
Altera Corporation
FLEX 8000 Programmable Logic Device Family Data Sheet
Power
Consumption
The supply power for FLEX 8000 devices, P, can be calculated with the
following equation:
P = PINT + PIO = [(ICCSTANDBY + ICCACTIVE) × VCC] + PIO
Typical ICCSTANDBY values are shown as ICC0 in the “FLEX 8000 5.0-V
Device DC Operating Conditions” table on page 28 and the “FLEX 8000
3.3-V Device DC Operating Conditions” table on page 29. The PIO value,
which depends on the device output load characteristics and switching
frequency, can be calculated using the guidelines given in
ACTIVE
value depends on the switching frequency and the application logic. This
value can be calculated based on the amount of current that each LE
typically consumes.
The following equation shows the general formula for calculating
ICCACTIVE:
The parameters in this equation are shown below:
f
MAX
= Maximum operating frequency in MHz
N
= Total number of logic cells used in the device
togLC = Average percentage of logic cells toggling at each clock
K
= Constant, shown in Table 13
This calculation provides an ICC estimate based on typical conditions
with no output load. The actual ICC value should be veried during
operation because this measurement is sensitive to the actual pattern in
the device and the environmental operating conditions.
Figure 20 shows the relationship between ICC and operating frequency
for several LE utilization values.
ICCACTIVE
K
fMAX
N
togLC
A
MHz
LE
×
----------------------------
×
=
Table 13. Values for Constant K
Device
K
5.0-V FLEX 8000 devices
75
3.3-V FLEX 8000 devices
60
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相關代理商/技術參數(shù)
參數(shù)描述
EPF8636A 制造商:ALTERA 制造商全稱:Altera Corporation 功能描述:Programmable Logic Device Family
EPF8636AGC192-2 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field Programmable Gate Array (FPGA)
EPF8636AGC192-3 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Field Programmable Gate Array (FPGA)
EPF8636AGC192-4 制造商:Altera Corporation 功能描述:Field-Programmable Gate Array, 504 Cell, 192 Pin, Ceramic, PGA
EPF8636AGC192-5 制造商:Altera Corporation 功能描述:Field-Programmable Gate Array, 504 Cell, 192 Pin, Ceramic, PGA
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