Intel 4 620 JM80547PG0722MM Data Sheet

3

Introduction.................................................................................................................................. 11

Terminology ........................................................................................................................ 12
1.1.1

Processor Packaging Terminology ........................................................................ 13

Electrical Specifications ............................................................................................................. 15

FSB and GTLREF............................................................................................................... 15

Power and Ground Lands ................................................................................................... 15

Decoupling Guidelines ........................................................................................................ 15
2.3.1

FSB GTL+ Decoupling........................................................................................... 16

FSB Clock (BCLK[1:0]) and Processor Clocking ................................................... 16

Voltage Identification .......................................................................................................... 17
2.4.1

Phase Lock Loop (PLL) Power and Filter .............................................................. 19

Reserved, Unused, FC, and TESTHI Signals..................................................................... 20

FSB Signal Groups ............................................................................................................. 20

GTL+ Asynchronous Signals .............................................................................................. 22

Test Access Port (TAP) Connection ................................................................................... 22

Absolute Maximum and Minimum Ratings ......................................................................... 23

Processor DC Specifications .............................................................................................. 24

GTL+ FSB Specifications.................................................................................................... 34

Package Mechanical Specifications .......................................................................................... 35

Land Listing and Signal Descriptions ....................................................................................... 43

Alphabetical Signals Reference .......................................................................................... 66

Thermal Specifications and Design Considerations................................................................ 75