Programmable System Clock Chip for ATI RS790 - K8 based Systems

The IDT9LPRS478 is a main clock synthesizer chip that provides all clocks required for ATI RS7xx-based systems.using AMD processors. An SMBus interface allows full control of the device.

Features

  • 2 - Greyhound compatible K8 CPU pair
  • 6 - low-power differential SRC pairs
  • 2 - low-power differential SouthBridge SRC pairs
  • 4 - low-power differential ATIG pairs
  • 1 - Selectable low-power differential 100MHz nonspread SATA/ SRC output
  • 1 - Selectable 100MHz low-power differential/ 66 MHz
  • single-ended HTT clock2 - 48MHz USB clock
  • 3 - 14.318MHz Reference clock

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
9LPRS478CKLF Obsolete NLG72P1 VFQFPN 72 C Yes Tray Availability
9LPRS478CKLFT Obsolete NLG72P1 VFQFPN 72 C Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
PCNs & PDNs
PCN# : A1311-03R1 Alternate Assembly Locations Product Change Notice PDF 43 KB Feb 15, 2014
PCN# : A1311-03 Alternate Assembly Locations Product Change Notice PDF 140 KB Dec 2, 2013
PDN# : K-13-01R2 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 125 KB Oct 2, 2013
PCN# : A1308-01 Add ASEK as Alternate Assembly for VFQFPN-72 Product Change Notice PDF 103 KB Aug 17, 2013
PDN# : K-13-01R1 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 125 KB Feb 27, 2013
PDN# : K-13-01 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 122 KB Jan 15, 2013
PDN# : K-10-18R3 PRODUCT DISCONTINUANCE NOTICE FOR SELECTIVE PC CLOCK DEVICES Product Delete Notice PDF 161 KB Jun 22, 2011
PDN# : K-10-18R1 PRODUCT DISCONTINUANCE NOTICE FOR SELECTIVE PC CLOCK DEVICES Product Delete Notice PDF 160 KB Dec 1, 2010
PDN# : K-10-18 PRODUCT DISCONTINUANCE NOTICE FOR SELECTIVE PC CLOCK DEVICES Product Delete Notice PDF 159 KB Jul 18, 2010
PCN# : A0903-04 Chipmos Taiwan & Carsem Malaysia as Alternate Assembly Site for Copper Wire Proces Product Change Notice PDF 103 KB May 11, 2009
PCN# : TB0807-01 Reel Quantity Change on VFQFP-N-68, VFQFP-N-72 Product Change Notice PDF 57 KB Jul 9, 2008
PCN# : A0709-02(R1) COPPER BOND WIRE FOR 10MM X 10MM VFQFP-N-72 (GREEN PACKAGE) Product Change Notice PDF 279 KB Jan 20, 2008
Other
PC Clocks Contact Info Misc PDF 62 KB May 28, 2007