Datasheet
3
Contents
Introduction....................................................................................................................... 11
Terminology......................................................................................................... 12
Processor Packaging Terminology......................................................... 12
Electrical Specifications.................................................................................................... 15
FSB and GTLREF ............................................................................................... 15
Power and Ground Lands ................................................................................... 15
Decoupling Guidelines ........................................................................................ 15
FSB GTL+ Decoupling ........................................................................... 16
FSB Clock (BCLK[1:0]) and Processor Clocking.................................... 16
Voltage Identification ........................................................................................... 17
Phase Lock Loop (PLL) Power and Filter............................................... 19
Reserved, Unused, and TESTHI Signals ............................................................ 20
FSB Signal Groups.............................................................................................. 20
GTL+ Asynchronous Signals............................................................................... 22
Test Access Port (TAP) Connection.................................................................... 23
Absolute Maximum and Minimum Ratings .......................................................... 23
Processor DC Specifications............................................................................... 24
GTL+ FSB Specifications .................................................................................... 31
Alphabetical Signals Reference .......................................................................... 62