參數(shù)資料
型號(hào)： EPF8820A
廠商： Altera Corporation
英文描述： LED, BLUE 6 MCD 20 MA
中文描述： 系列可編程邏輯元件
文件頁(yè)數(shù)： 50/61頁(yè)
文件大?。?/td> 979K
代理商： EPF8820A
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 = P
INT
+ P
IO
= [(I
CC
STANDBY
+ I
CC
ACTIVE
)
×
V
CC
] + P
IO
Typical I
CC
STANDBY
values are shown as I
CC0
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 P
IO
value,
which depends on the device output load characteristics and switching
frequency, can be calculated using the guidelines given in
Application Note 74 (Evaluating Power for Altera Devices)
. The I
CC
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
I
CC
ACTIVE
:
The parameters in this equation are shown below:
f
MAX
N
tog
LC
K
= Maximum operating frequency in MHz
= Total number of logic cells used in the device
= Average percentage of logic cells toggling at each clock
= Constant, shown in
Table 13
This calculation provides an I
CC
estimate based on typical conditions
with no output load. The actual I
CC
value should be verified 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 I
CC
and operating frequency
for several LE utilization values.
I
CC
ACTIVE
K
f
MAX
N
tog
LC
MHz
LE
×
---------------------------
×
×
×
×
=
Table 13. Values for Constant K
Device
K
5.0-V FLEX 8000 devices
3.3-V FLEX 8000 devices
75
60
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EPF8820ABC225-2 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)
EPF8820ABC225-4 功能描述:FPGA - 現(xiàn)場(chǎng)可編程門陣列 FPGA - Flex 8000 84 LABs 152 IOs RoHS:否 制造商:Altera Corporation 系列:Cyclone V E 柵極數(shù)量: 邏輯塊數(shù)量:943 內(nèi)嵌式塊RAM - EBR:1956 kbit 輸入/輸出端數(shù)量:128 最大工作頻率:800 MHz 工作電源電壓:1.1 V 最大工作溫度:+ 70 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-256
EPF8820ABI225-3 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)
EPF8820AGI192-3 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)
EPF8820AQC144-2 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)
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