參數(shù)資料
型號: DSF10K
廠商: Altera Corporation
英文描述: EMBEDDED PROGRAMMABLE LOGIC FAMILY
中文描述: 嵌入式可編程邏輯系列
文件頁數(shù): 119/138頁
文件大?。?/td> 2116K
代理商: DSF10K
Altera Corporation
119
FLEX 10K Embedded Programmable Logic Family Data Sheet
1
Compared to the rest of the device, the embedded array
consumes a negligible amount of power. Therefore, the
embedded array can be ignored when calculating supply
current.
The I
CCACTIVE
value is calculated with the following equation:
I
CCACTIVE
=
K
×
f
MAX
×
N
×
tog
LC
×
The parameters in this equation are shown below:
f
MAX
N
tog
LC
=
=
=
Maximum operating frequency in MHz
Total number of logic cells used in the device
Average percent of logic cells toggling at each clock
(typically 12.5
%
)
Constant, shown in
Tables 115
and
116
K
=
This calculation provides an I
CC
estimate based on typical conditions with
no output load. The actual I
CC
should be verified during operation
because this measurement is sensitive to the actual pattern in the device
and the environmental operating conditions.
Table 115. FLEX 10K K Constant Values
Device
K Value
EPF10K10
EPF10K20
EPF10K30
EPF10K40
EPF10K50
EPF10K70
EPF10K100
82
89
88
92
95
85
88
Table 116. FLEX 10KA K Constant Values
Device
K Value
EPF10K10A
EPF10K30A
EPF10K50V
EPF10K100A
EPF10K130V
EPF10K250A
17
17
19
19
22
23
MHz
LE
×
------------A
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