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Advanced 64-bit Microprocessors Product Family 79RC64574 ...

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79RC<strong>64</strong>574 79RC<strong>64</strong>575Power Consumption—RC<strong>64</strong>575Note: The following table ass umes a 4:1 pipeline to bus clock ratio.ParameterRC<strong>64</strong>575 200MHzTypical 1I CC sta nd-by — 60 mA 2act ive,<strong>64</strong>-<strong>bit</strong>busoption 41. Typic al integer instruction mix and cache miss rates.RC<strong>64</strong>575 250MHzMax Typical 1 Max— 60 mA 2 C L = 0pF 32. These are not tested. They are the results of engineering analysis and are provided for reference only.3. Guaranteed by design.— 120 m 2 A — 120 m 2 A C L = 50pF4. In 32-<strong>bit</strong> bus option, use RC<strong>64</strong>574 power consumption values.Conditions510 mA 2 680 mA 2 600 mA 2 810 mA 2 C L = 0pFNo SysAd activity 3Vcc = 2.63V60 0 mA 2 800 mA 2 70 0 mA 2 950 mA 2 C L = 50pFR4 x00 compa tible writes,T C = 25 o CVcc = 2.63V660 mA 2 880 mA 55. These are the specifications IDT tests to insure compliance.770 mA 2 1050 mA 5 C L = 50pFPipelined writes or write re -issue,T C = 25 o C 3Vcc = 2.63VRC<strong>64</strong>575 Power CurvesThe following two graphs contain power curves that show power consumption at various bus frequencies. Power consumption is based on thevalues for R4x00 compatible write mode, shown in the table above.Note: Only pipeline frequencies that are integer multiples (2x, 3x, etc.) of bus frequencies are supported.Typical Power (mA)11009007005003007x6x5x4x3x2x2x Mode3x Mode4x Mode5x Mode6x Mode7x Mode10020 40 60 80 100 120System Bus Speed (MHz)Figure 4 Typical Power Usage - RC<strong>64</strong>57517 of 28 December 14, 2001

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