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ICS952601

Integrated Circuit Systems
Part Number ICS952601
Manufacturer Integrated Circuit Systems
Description Programmable Timing Control Hub
Published Jan 22, 2006
Detailed Description Integrated Circuit Systems, Inc. ICS952601 Programmable Timing Control Hub™ for Next Gen P4™ processor Recommended App...
Datasheet PDF File ICS952601 PDF File

ICS952601
ICS952601


Overview
Integrated Circuit Systems, Inc.
ICS952601 Programmable Timing Control Hub™ for Next Gen P4™ processor Recommended Application: CK409 clock, Intel Yellow Cover part Output Features: • 3 - 0.
7V current-mode differential CPU pairs • 1 - 0.
7V current-mode differential SRC pair • 7 - PCI (33MHz) • 3 - PCICLK_F, (33MHz) free-running • 1 - USB, 48MHz • 1 - DOT, 48MHz • 2 - REF, 14.
318MHz • 4 - 3V66, 66.
66MHz • 1 - VCH/3V66, selectable 48MHz or 66MHz Key Specifications: • CPU/SRC outputs cycle-cycle jitter < 125ps • 3V66 outputs cycle-cycle jitter < 250ps • PCI outputs cycle-cycle jitter < 250ps • CPU outputs skew: < 100ps • +/- 300ppm frequency accuracy on CPU & SRC clocks Features/Benefits: • Supports tight ppm accuracy clocks for Serial-ATA.
• Supports spread spectrum modulation, 0 to -0.
5% down spread.
• • • Supports CPU clks up to 400MHz in test mode.
Uses external 14.
318MHz crystal, external crystal load caps are required for frequency tuning.
Supports undriven differential CPU, SRC pair in PD# and CPU_STOP# for power management.
Pin Configuration Functionality CPU B6b5 FS_A FS_B MHz 0 0 100 0 MID Ref/N0 0 1 200 0 1 0 133 1 1 166 1 MID Hi-Z 0 0 200 0 1 400 1 1 0 266 1 1 333 SRC MHz 100/200 Ref/N1 100/200 100/200 100/200 Hi-Z 100/200 100/200 100/200 100/200 3V66 MHz 66.
66 Ref/N2 66.
66 66.
66 66.
66 Hi-Z 66.
66 66.
66 66.
66 66.
66 PCI MHz 33.
33 Ref/N3 33.
33 33.
33 33.
33 Hi-Z 33.
33 33.
33 33.
33 33.
33 REF USB/DOT MHz MHz 14.
318 48.
00 Ref/N4 Ref/N5 14.
318 48.
00 14.
318 48.
00 14.
318 48.
00 Hi-Z Hi-Z 14.
318 48.
00 14.
318 48.
00 14.
318 48.
00 14.
318 48.
00 REF0 REF1 VDDREF X1 X2 GND PCICLK_F0 PCICLK_F1 PCICLK_F2 VDDPCI GND PCICLK0 PCICLK1 PCICLK2 PCICLK3 VDDPCI GND PCICLK4 PCICLK5 PCICLK6 PD# 3V66_0 3V66_1 VDD3V66 GND 3V66_2 3V66_3 SCLK 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 FS_B VDDA GNDA GND IREF FS_A CPU_STOP# PCI_STOP# VDDCPU CPUCLKT2 CPUCLKC2 GND CPUCLKT1 C...


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