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ICS9LPR501 数据表(PDF) 9 Page - Integrated Circuit Systems |
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ICS9LPR501 数据表(HTML) 9 Page - Integrated Circuit Systems |
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9 / 22 page ![]() 9 Integrated Circuit Systems, Inc. ICS9LPR501 1118E—08/08/07 Intentional PCI Clock to Clock Delay 200 ps nominal steps PCI0 PCI1 PCI2 PCI3 PCI4 PCI_F5 1.0ns Electrical Characteristics - PCICLK/PCICLK_F PARAMETER SYMBOL CONDITIONS MIN MAX UNITS NOTES Long Accuracy ppm see Tperiod min-max values -300 300 ppm 1,6 33.33MHz output nominal 30.00900 ns 6 33.33MHz output spread 30.15980 ns 6 Absolute min/max period T abs 33.33MHz output nominal/spread 29.49100 30.65980 ns 6 Output High Voltage V OH I OH = -1 mA 2.4 V 1 Output Low Voltage V OL I OL = 1 mA 0.4 V 1 V OH @MIN = 1.0 V -33 mA 1 V OH@MAX = 3.135 V -33 mA 1 V OL @ MIN = 1.95 V 30 mA 1 V OL @ MAX = 0.4 V 38 mA 1 Rising Edge Slew Rate t SLR Measured from 0.8 to 2.0 V 1 4 V/ns 1 Falling Edge Slew Rate t FLR Measured from 2.0 to 0.8 V 1 4 V/ns 1 Duty Cycle d t1 V T = 1.5 V 45 55 % 1 Skew t skew V T = 1.5 V 250 ps 1 Intentional PCI-PCI delay t delay V T = 1.5 V ps 1,9 Jitter, Cycle to cycle t jcyc-cyc V T = 1.5 V 500 ps 1 200 nominal Clock period 29.99100 T period Output High Current I OH Output Low Current I OL Electrical Characteristics - USB48MHz PARAMETER SYMBOL CONDITIONS MIN MAX UNITS NOTES Long Accuracy ppm see Tperiod min-max values -100 100 ppm 1,2 Clock period T period 48.00MHz output nominal 20.83125 20.83542 ns 2 Absolute min/max period T abs 48.00MHz output nominal 20.48130 21.18540 ns 2 Output High Voltage V OH I OH = -1 mA 2.4 V 1 Output Low Voltage V OL I OL = 1 mA 0.4 V 1 V OH @MIN = 1.0 V -29 mA 1 V OH@MAX = 3.135 V -23 mA 1 V OL @ MIN = 1.95 V 29 mA 1 V OL @ MAX = 0.4 V 27 mA 1 Rising Edge Slew Rate t SLR Measured from 0.8 to 2.0 V 1 2 V/ns 1 Falling Edge Slew Rate t FLR Measured from 2.0 to 0.8 V 1 2 V/ns 1 Duty Cycle d t1 V T = 1.5 V 45 55 % 1 Jitter, Cycle to cycle t jcyc-cyc V T = 1.5 V 350 ps 1 Output High Current I OH I OL Output Low Current |
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