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ICS9LPR426A Datasheet(PDF) 4 Page - Integrated Circuit Systems |
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ICS9LPR426A Datasheet(HTML) 4 Page - Integrated Circuit Systems |
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4 Integrated Circuit Systems, Inc. ICS9LPR426A Advance Information 1346—10/23/07 Block Diagram General Description ICS9LPR426A is a low power CK410M-compliant clock specification. This clock synthesizer provides a single chip solution for next generation P4 Intel processors and Intel chipsets. ICS9LPR426A is driven with a 14.318MHz crystal. SDATA SCLK CPU_STOP# FSLA FSLB FSLC Vtt_Pwr_GD/PD# PCI/PCIEX_STOP# PEREQ#(2:1) Fixed PLL Frequency Dividers PLL Array Programmable Frequency Divider Array USB_48MHz X1 X2 XTAL Control Logic REF(1:0) CPUCLKT (1:0) CPUCLKC (1:0) PCICLK (5:2) PCIEXT (5:1) PCIEXC (5:1) PCICLK_F(1:0) SATACLKT SATACLKC 27FIX/LCD_SSCGT/PCIEX0T 27SS/LCD_SSCGC/PCIEX0C ITP_EN REQ_SEL TEST_SEL TEST_MODE CPUCLKT2_ITP/PCIEXT6 CPUCLKC2_ITP/PCIEXC6 STOP Logic M and N programming range Minimum Maximum Minimum Maximum NN N N 3 200 400 14 42 85 4 150 300 15 40 80 5 120 240 16 37 75 6 100 200 17 35 70 7 85 171 18 33 66 8 75 150 19 31 63 9 66 133 20 30 60 10 60 120 21 28 57 11 54 109 22 27 54 12 50 100 23 26 52 13 46 92 24 25 50 Yellow range is programming with more margin MM |
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