參數(shù)資料
型號(hào)： ISPLSI81080V-125LB492
廠商： LATTICE SEMICONDUCTOR CORP
元件分類： PLD
英文描述： 3.3V In-System Programmable SuperBIG⑩ High Density PLD
中文描述： EE PLD, 14.5 ns, PBGA492
封裝： BGA-492
文件頁(yè)數(shù)： 19/26頁(yè)
文件大?。?/td> 333K
代理商： ISPLSI81080V-125LB492
Specifications
ispLSI 81080V
19
Power Consumption
Power consumption in the ispLSI 81080V device de-
pends on two primary factors: the speed at which the
device is operating and the number of product terms
used. The product terms have a fuse-selectable speed/
power tradeoff setting. Each group of four product terms
has a single speed/power tradeoff control fuse that acts
on the complete group of four. The fast
“
high-speed
”
0127/81080V
The ICC estimate is based on typical conditions (VCC = 3.3V, room temperature) and an assumption of two GLB loads
on average exists. These values are for estimates only. Since the value of ICC is sensitive to operating conditions
and the program in the device, the actual ICC should be verified.
ICC can be estimated for the ispLSI 81080V using the following equation:
ICC = 45.0 + (# of Turbo PTs * 0.25) + (# of Non-Turbo PTs * 0.11) + (# of Macrocells Used * Fmax * AF * .043)
# of Turbo PTs = Number of Turbo Product Terms Used in Design
# of Non-Turbo PTs = Number of Non-Turbo Product Terms Used in Design
fmax = Maximum Operating Frequency
Average Macrocell Toggle Frequency
AF (Activity Factor) =
Note: An Activity Factor of 1.0 means all macrocell registers toggle at fmax. An Activity Factor of 0.5 means the
average macrocell register toggles at half of fmax.
Fmax
f
max (MHz)
I
C
Notes: Configuration of 54 20-bit counters
Typical current at 3.3V, 25
C
700
600
500
400
300
200
800
900
1000
1100
1200
1300
ispLSI 81080V
0
10
20
30
40
50
60
70
80
90
100
Turbo
Non-Turbo
110 120 130
Figure 10. Typical Device Power Consumption vs fmax
setting operates product terms at their normal full power
consumption. For portions of the logic that can tolerate
longer propagation delays, selecting the slower
“
low-
power
”
setting will significantly reduce the power
dissipation for these product terms. Figure 10 shows the
relationship between power and operating speed.
相關(guān)PDF資料
PDF描述
ISPLSI81080V-90LB492 3.3V In-System Programmable SuperBIG⑩ High Density PLD
ISPLSI8600V-125LB272 3.3V In-System Programmable SuperBIG⑩ High Density PLD
ISPLSI8600V-125LB492 3.3V In-System Programmable SuperBIG⑩ High Density PLD
ISPLSI8600V-60LB272 3.3V In-System Programmable SuperBIG⑩ High Density PLD
ISPLSI8600V-60LB492 3.3V In-System Programmable SuperBIG⑩ High Density PLD
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISPLSI81080V-60LB272 制造商:Rochester Electronics LLC 功能描述:- Bulk
ISPLSI81080V-60LB272I 制造商:Rochester Electronics LLC 功能描述:- Bulk
ISPLSI81080V-60LB492 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Lattice Semiconductor Corporation 功能描述:
ISPLSI81080V-90LB272 制造商:Rochester Electronics LLC 功能描述:- Bulk
ISPLSI81080V-90LB492 制造商:Rochester Electronics LLC 功能描述:- Bulk
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