ISPLSI2128VE データシートの表示（PDF） - Lattice Semiconductor
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ISPLSI2128VE Datasheet PDF : 20 Pages
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Specifications ispLSI 2128VE
Power Consumption
Power consumption in the ispLSI 2128VE device de- used. Figure 3 shows the relationship between power
pends on two primary factors: the speed at which the and operating speed.
device is operating and the number of Product Terms
Figure 3. Typical Device Power Consumption vs fmax
350
ispLSI 2128VE
300
250
200
150
100
0
50 100 150 200 250
fmax (MHz)
Notes: Configuration of eight 16-bit counters
Typical current at 3.3V, 25¡ C
ICC can be estimated for the ispLSI 2128VE using the following equation:
ICC = 8 + (# of PTs * 0.669) + (# of nets * max freq * 0.0026)
Where:
# of PTs = Number of Product Terms used in design
# of nets = Number of Signals used in device
Max freq = Highest Clock Frequency to the device (in MHz)
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.
0127/2128VE
10
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