DescriptionThe RS480M is designed as one kind of clock generator for ATI. RS480 chipset that has some points of features: (1)Supports AMD. CPU; (2)Selectable CPU frequencies; (3)200-MHz differential CPU clock pairs; (4)100-MHz differential SRC clocks; (5)48-MHz USB clock; (6)33-MHz PCI clock; (7)6...
RS480M: DescriptionThe RS480M is designed as one kind of clock generator for ATI. RS480 chipset that has some points of features: (1)Supports AMD. CPU; (2)Selectable CPU frequencies; (3)200-MHz differential...
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The RS480M is designed as one kind of clock generator for ATI. RS480 chipset that has some points of features: (1)Supports AMD. CPU; (2)Selectable CPU frequencies; (3)200-MHz differential CPU clock pairs; (4)100-MHz differential SRC clocks; (5)48-MHz USB clock; (6)33-MHz PCI clock; (7)66-MHz Hyper-Transport. clock; (8)I2C support with readback capabilities; (9)Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction; (10)3.3V power supply; (11)56-pin SSOP and TSSOP packages.
The RS480M requires a parallel resonance crystal. Substituting a series resonance crystal will cause it to operate at the wrong frequency and violate the ppm specification. For most applications there is a 300-ppm frequency shift between series and parallel crystals due to incorrect loading.
The absolute maximum ratings of the RS480M can be summarized as:(1)Core Supply Voltage:0.5 to 4.6 V;(2)Analog Supply Voltage:0.5 to 4.6 V;(3)Input Voltage:0.5 to VDD+0.5 VDC;(4)Temperature, Storage:65 to +150 °C;(5)Temperature, Operating Ambient: 0 to 70 °C;(6)Temperature, Junction: 150 °C;(7)ESD Protection (Human Body Model): 2000 V;(8)Dissipation, Junction to Case: 20 °C/W;(9)Dissipation, Junction to Ambient: 60 °C/W. If you want to know more information such as the electrical characteristics about the RS480M, please download the datasheet in www.seekic.com or www.chinaicmart.com .