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M4-64/32-15VC48 View Datasheet(PDF) - Lattice Semiconductor

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M4-64/32-15VC48 Datasheet PDF : 46 Pages
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ICC vs. FREQUENCY
These curves represent the typical power consumption for a particular device at system frequen-
cy. The selected “typical” pattern is a 16-bit up-down counter. This pattern fills the device and
exercises every macrocell. Maximum frequency shown uses internal feedback and a D-type reg-
ister. Power/Speed are optimized to obtain the highest counter frequency and the lowest power.
The highest frequency (LSBs) is placed in common PAL blocks, which are set to high power. The
lowest frequency signals (MSBs) are placed in a common PAL block and set to lowest power.
350
VCC = 5 V or 3.3 V, TA = 25º C
M4(LV)-256/128
300
250
M4(LV)-192/96
200
M4(LV)-128/64
150
M4(LV)-96/48
100
M4(LV)-64/32
M4(LV)-32/32
50
0
Frequency (MHz)
Figure 18. MACH 4 ICC Curves at High Speed Mode
17466G-066
350
VCC = 5 V or 3.3 V, TA = 25º C
300
M4(LV)-256/128
250
200
M4(LV)-192/96
150
M4(LV)-128/64
100
M4(LV)-96/48
M4(LV)-64/32
M4(LV)-32/32
50
0
Frequency (MHz)
Figure 19. MACH 4 ICC Curves at Low Power Mode
17466G-065
MACH 4 Family
35
 

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