Intel
®
Pentium
®
4 Processor on
90 nm Process
Datasheet
2.80 GHz – 3.40 GHz Frequencies Supporting Hyper-Threading
Technology
1
for All Frequencies with 800 MHz Front Side Bus
February 2005
Document Number: 300561-003
INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY
ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN
INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS
ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES
RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER
INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, or life sustaining applications.
Intel may make changes to specifications and product descriptions at any time, without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked “reserved” or “undefined.” Intel reserves these for
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The Intel
®
Pentium
®
4 processor on 90 nm process may contain design defects or errors known as errata which may cause the product to deviate
from published specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
1
Hyper-Threading Technology requires a computer system with an Intel
®
Pentium
®
4 processor supporting HT Technology and a Hyper-Threading
Technology enabled chipset, BIOS and operating system. Performance will vary depending on the specific hardware and software you use.
See
http://www.intel.com/info/hyperthreading/
for more information including details on which processors support HT Technology.
Intel, Pentium, Intel NetBurst, and the Intel logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States
and other countries.
*Other names and brands may be claimed as the property of others.
Copyright © 2004–2005, Intel Corporation. All rights reserved.
2
Datasheet
Contents
1
Introduction
.................................................................................................................. 9
1.1
1.2
Terminology......................................................................................................... 10
1.1.1 Processor Packaging Terminology......................................................... 10
References .......................................................................................................... 11
Power and Ground Pins ...................................................................................... 13
Decoupling Guidelines ........................................................................................ 13
2.2.1 V
CC
Decoupling ...................................................................................... 13
2.2.2 FSB GTL+ Decoupling ........................................................................... 13
2.2.3 FSB Clock (BCLK[1:0]) and Processor Clocking.................................... 14
Voltage Identification ........................................................................................... 14
2.3.1 Phase Lock Loop (PLL) Power and Filter............................................... 16
Reserved, Unused, and TESTHI Pins.................................................................17
FSB Signal Groups..............................................................................................18
Asynchronous GTL+ Signals............................................................................... 19
Test Access Port (TAP) Connection.................................................................... 19
FSB Frequency Select Signals (BSEL[1:0]) ........................................................ 20
Absolute Maximum and Minimum Ratings .......................................................... 21
Processor DC Specifications............................................................................... 21
V
CC
Overshoot Specification............................................................................... 29
2.11.1 Die Voltage Validation ............................................................................ 30
Package Mechanical Specifications .................................................................... 31
3.1.1 Package Mechanical Drawing ................................................................ 32
3.1.2 Processor Component Keep-out Zones ................................................. 35
3.1.3 Package Loading Specifications ............................................................ 35
3.1.4 Package Handling Guidelines ................................................................ 35
3.1.5 Package Insertion Specifications ........................................................... 36
3.1.6 Processor Mass Specification ................................................................ 36
3.1.7 Processor Materials................................................................................ 36
3.1.8 Processor Markings................................................................................ 36
3.1.9 Processor Pinout Coordinates................................................................ 37
Processor Pin Assignments ................................................................................ 39
Alphabetical Signals Reference .......................................................................... 54
Processor Thermal Specifications....................................................................... 63
5.1.1 Thermal Specifications ........................................................................... 63
5.1.2 Thermal Metrology ................................................................................. 66
Processor Thermal Features............................................................................... 67
5.2.1 Thermal Monitor ..................................................................................... 67
2
Electrical Specifications
........................................................................................ 13
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
3
Package Mechanical Specifications
.................................................................31
3.1
4
Pin List and Signal Description
.......................................................................... 39
4.1
4.2
5
Thermal Specifications and Design Considerations
................................. 63
5.1
5.2
Datasheet
3
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
On-Demand Mode.................................................................................. 68
PROCHOT# Signal Pin .......................................................................... 68
THERMTRIP# Signal Pin ....................................................................... 69
T
control
and Fan Speed Reduction.......................................................... 69
Thermal Diode........................................................................................ 69
6
Features
....................................................................................................................... 71
6.1
6.2
Power-On Configuration Options ........................................................................ 71
Clock Control and Low Power States.................................................................. 72
6.2.1 Normal State—State 1 ........................................................................... 72
6.2.2 AutoHALT Powerdown State—State 2 .................................................. 72
6.2.3 Stop-Grant State—State 3 ..................................................................... 73
6.2.4 HALT/Grant Snoop State—State 4 ........................................................ 73
6.2.5 Sleep State—State 5.............................................................................. 74
Mechanical Specifications ................................................................................... 76
7.1.1 Boxed Processor Cooling Solution Dimensions ..................................... 76
7.1.2 Boxed Processor Fan Heatsink Weight.................................................. 77
7.1.3 Boxed Processor Retention Mechanism and Heatsink Attach
Clip Assembly ........................................................................................ 78
Electrical Requirements ...................................................................................... 78
7.2.1 Fan Heatsink Power Supply ................................................................... 78
Thermal Specifications........................................................................................ 79
7.3.1 Boxed Processor Cooling Requirements ............................................... 79
7.3.2 Variable Speed Fan ............................................................................... 81
7
Boxed Processor Specifications
....................................................................... 75
7.1
7.2
7.3
4
Datasheet
Figures
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
Phase Lock Loop (PLL) Filter Requirements ...................................................... 16
V
CC
Static and Transient Tolerance for Loadline A............................................. 24
V
CC
Static and Transient Tolerance for Loadline B............................................. 26
V
CC
Overshoot Example Waveform.................................................................... 30
Processor Package Assembly............................................................................. 31
Processor Package Drawing (Sheet 1 of 2) ........................................................ 33
Processor Package Drawing (Sheet 2 of 2) ........................................................ 34
Processor Top-Side Markings ............................................................................. 36
Processor Pinout Coordinates (Top View) .......................................................... 37
Pinout Diagram (Top View—Left Side) ............................................................... 40
Pinout Diagram (Top View—Right Side) ............................................................. 41
Thermal Profile .................................................................................................... 66
Case Temperature (TC) Measurement Location................................................. 66
Stop Clock State Machine ................................................................................... 72
Mechanical Representation of the Boxed Processor .......................................... 75
Space Requirements for the Boxed Processor (Side View)................................ 76
Space Requirements for the Boxed Processor (Top View)................................. 77
Boxed Processor Fan Heatsink Power Cable Connector Description................. 78
Baseboard Power Header Placement Relative to Processor Socket.................. 79
Boxed Processor Fan Heatsink Airspace Keep-out Requirements
(side 1 view) ........................................................................................................ 80
Boxed Processor Fan Heatsink Airspace Keep-out Requirements
(side 2 view) ........................................................................................................ 80
Boxed Processor Fan Heatsink Set Points ......................................................... 81
Datasheet
5