Preliminary Information
AMD Athlon
Processor
Data Sheet
TM
Publication #
21016
Rev:
G
Issue Date:
December 1999
Preliminary Information
© 1999 Advanced Micro Devices, Inc.
All rights reserved.
The contents of this document are provided in connection with Advanced
Micro Devices, Inc. (“AMD”) products. AMD makes no representations or
warranties with respect to the accuracy or completeness of the contents of
this publication and reserves the right to make changes to specifications and
product descriptions at any time without notice. No license, whether express,
implied, arising by estoppel or otherwise, to any intellectual property rights
is granted by this publication. Except as set forth in AMD’s Standard Terms
and Conditions of Sale, AMD assumes no liability whatsoever, and disclaims
any express or implied warranty, relating to its products including, but not
limited to, the implied warranty of merchantability, fitness for a particular
purpose, or infringement of any intellectual property right.
AMD’s products are not designed, intended, authorized or warranted for use
as components in systems intended for surgical implant into the body, or in
other applications intended to support or sustain life, or in any other applica-
tion in which the failure of AMD’s product could create a situation where per-
sonal injury, death, or severe property or environmental damage may occur.
AMD reserves the right to discontinue or make changes to its products at any
time without notice.
Trademarks
AMD, the AMD logo, AMD Athlon, and combinations thereof, 3DNow!, AMD-751, and AMD-756 are trademarks
of Advanced Micro Devices, Inc.
MMX is a trademark of Intel Corporation.
Alpha is a trademark of Digital Equipment Corporation.
Other product names used in this publication are for identification purposes only and may be trademarks of
their respective companies.
Preliminary Information
21016G/0—December 1999
AMD Athlon™ Processor Data Sheet
Contents
Revision History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
About This Data Sheet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Part One
AMD Athlon™ Processor Family
1
2
1.1
2.1
2.2
2.3
3
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
AMD Athlon™ Processor Microarchitecture Summary . . . . . 2
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Signaling Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
AMD Athlon™ System Bus Signals . . . . . . . . . . . . . . . . . . . . . . 5
Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3
4
Logic Symbol Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1
Power Management States . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Full-On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Halt State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Stop Grant and Sleep States. . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Probe State. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Connection and Disconnection Protocol . . . . . . . . . . . . . . . . 13
Connection Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Connection State Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.2
5
6
Thermal Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.1
6.2
6.3
6.4
6.5
6.6
The AMD Athlon™ System Bus . . . . . . . . . . . . . . . . . . . . . . . 23
Signal Groupings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Clock Forwarding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Voltage Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Frequency Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
OD Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
CLKFWD Signal Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
SYSCLK, SYSCLK# . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Absolute Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
6.7
6.8
6.9
6.10
6.11
Contents
iii
Preliminary Information
AMD Athlon™ Processor Data Sheet
21016G/0—December 1999
7
Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
7.1
7.2
7.3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Module Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
AMD Athlon™ Processor Card-Edge Signal Listing . . . . . . . 41
8
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Standard AMD Athlon™ Processor Products. . . . . . . . . . . . . . . . . . . 49
Part Two
AMD Athlon Processor Model 2
9
10
9.1
10.1
10.2
10.3
51
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
AMD Athlon™ Processor Microarchitecture Summary . . . . 54
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Signaling Technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
AMD Athlon™ System Bus Signals . . . . . . . . . . . . . . . . . . . . . 57
Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
11
12
13
14
Logic Symbol Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Thermal Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
14.1
14.2
The AMD Athlon™ System Bus . . . . . . . . . . . . . . . . . . . . . . . 67
Signal Groupings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Clock Forwarding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
14.3 Voltage Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
14.4 Frequency Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
14.5 Decoupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
14.6 Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
14.7 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
14.8 Absolute Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
14.9 Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
14.10 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
14.11 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
AMD Athlon™ Processor Card-Edge Signal Listing . . . . . . . 76
15
Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
15.1
15.2
16
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Standard AMD Athlon™ Processor Products. . . . . . . . . . . . . . . . . . . 83
Appendix A Conventions, Abbreviations, and References . . . . . . . . . . . . . . . . . . . . 85
iv
Contents
Preliminary Information
21016G/0—December 1999
AMD Athlon™ Processor Data Sheet
List of Figures
Part One
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Typical AMD Athlon™ Processor System Block Diagram . . . . . 3
Logic Symbol Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
AMD Athlon Processor Power Management States . . . . . . . . . 11
Example System Bus Disconnection Sequence . . . . . . . . . . . . . 15
Exiting Stop Grant State/Bus Reconnection Sequence . . . . . . 16
System Connection States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Processor Connection States . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Test Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
AMD Athlon Processor Module Dimensions—Front View . . . 36
Figure 10. AMD Athlon Processor Module Dimensions—Plate Side
View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 11. AMD Athlon Processor Module Dimensions—Side View . . . . 38
Figure 12. AMD Athlon Processor Module Dimensions—Edge View. . . . 38
Figure 13. Card Edge Dimensions—Thermal Plate Side View . . . . . . . . . 39
Figure 14. Card Edge Dimensions (Detail) . . . . . . . . . . . . . . . . . . . . . . . . . 40
Part Two
Figure 15. Typical AMD Athlon Processor System Block Diagram . . . . . . 55
Figure 16. Logic Symbol Diagram for AMD Athlon Processor Model 2 . . 61
List of Figures
vii
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