Intel Xeon E7440 AD80583QH056007 Data Sheet

Intel® Xeon® Processor 7400 Series Datasheet

3

Introduction ..............................................................................................................9
1.1

Terminology ..................................................................................................... 11

Electrical Specifications ........................................................................................... 15
2.1

Front Side Bus and GTLREF ................................................................................ 15

Decoupling Guidelines........................................................................................ 16
2.2.1

 

Decoupling...................................................................................... 16

Decoupling ...................................................................................... 16

Front Side Bus AGTL+ Decoupling ............................................................ 16

Front Side Bus Clock (BCLK[1:0]) and Processor Clocking ....................................... 16
2.3.1

Voltage Identification (VID) ................................................................................ 18

Reserved, Unused, or Test Signals....................................................................... 20

Front Side Bus Signal Groups.............................................................................. 20

CMOS Asynchronous and Open Drain Asynchronous Signals .................................... 22

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

Mixing Processors.............................................................................................. 23

2.10 Absolute Maximum and Minimum Ratings ............................................................. 23
2.11 Processor DC Specifications ................................................................................ 24

 Overshoot Specification..................................................................... 33

2.12 AGTL+ FSB Specifications................................................................................... 35
2.13 Front Side Bus AC Specifications ......................................................................... 37
2.14 Processor AC Timing Waveforms ......................................................................... 41

Mechanical Specifications ........................................................................................ 51
3.1

Pin Listing ............................................................................................................... 65
4.1

Signal Definitions .................................................................................................... 81
5.1

Thermal Specifications ............................................................................................ 89
6.1

Package Thermal Specifications........................................................................... 89
6.1.1

Thermal Specifications ............................................................................ 89

Thermal Metrology ................................................................................. 97