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ICS9LPRS464

Part Number	ICS9LPRS464
Manufacturer	Integrated Device Technology
Description	System Clock Chip
Published	Aug 30, 2013
Detailed Description	DATASHEET System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUs Description ATI RD/RS600 series systems usi...
Datasheet	ICS9LPRS464 PDF File

Overview

DATASHEET System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUs Description ATI RD/RS600 series systems using AMD CPUs ICS9LPRS464 Key Specifications • • • • CPU outputs cycle-to-cycle jitter <150ps SRC outputs cycle-to-cycle jitter < 125ps ATIG outputs cycle-to-cycle jitter < 125ps +/- 100ppm frequency accuracy on all outputs if REF is tuned to +/-100ppm Output Features • • • • • • • • Integrated Series Resistors on differential outputs Greyhound Compatible CPU outputs 2 - 0.
7V Low Power differential CPU pairs 6 - 0.
7V Low Power differential SRC pairs 2 - 0.
7V Low Power differential ATIG pairs 1 - 66 MHz HyperTransport clock 2 - 48MHz USB clocks 3 - 14.
318MHz Reference clocks Features/Benefits: • • • • • 3 - Programmable Clock Request pins for SRC and ATIG clocks ATIGCLKs are programmable for frequency Spread Spectrum for EMI reduction Outputs may be disabled via SMBus External crystal load capacitors for maximum frequency accuracy Pin Configuration GNDREF VDDREF X1 X2 VDD48 48MHz_0 48MHz_1 GND48 SMBCLK SMBDAT RESET_IN# SRC5T_LPR SRC5C_LPR VDDSRC GNDSRC SRC4T_LPR SRC4C_LPR SRC3T_LPR SRC3C_LPR SRC2T_LPR SRC2C_LPR GNDSRC VDDSRC SRC1T_LPR SRC1C_LPR VDDSRC GNDSRC *CLKREQB# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 FS0/REF0 FS1/REF1 FS2/REF2 **PD VDDHTT HTTCLK0 GNDHTT *CLKREQA# CPUKG0T_LPR CPUKG0C_LPR VDDCPU GNDCPU CPUKG1T_LPR CPUKG1C_LPR VDDA GNDA NC SRC0T_LPR SRC0C_LPR GNDSRC VDDSRC ATIG0T_LPR ATIG0C_LPR VDDATIG GNDATIG ATIG1T_LPR ATIG1C_LPR *CLKREQC# Power Groups Pin Number VDD 5 33 42 46 52 2 GND 8 32 41 45 50 1 Description USB_48 outputs SRCCLK outputs ATIGCLK differential outputs Analog, PLL CPUCLK8 differential outputs HTTCLK output REF outputs 14,23,26,36 15,22,27,37 Funtionality FS2 0 0 0 0 1 1 1 1 FS1 0 0 1 1 0 0 1 1 FS0 0 1 0 1 0 1 0 1 CPU MHz Hi-Z X/2 230.
00 240.
00 100.
00 133.
33 166.
67 200.
00 HTT MHz Hi-Z X/3 76.
67 80.
00 6...

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