Preliminary Information

AMD Athlon™ XP Processor Model 8 Data Sheet

25175H— March 2003

6.2Advanced 266 FSB AMD Athlon™ XP Processor Model 8

SYSCLK and SYSCLK# AC Characteristics

Table 3 shows the SYSCLK/SYSCLK# differential clock AC characteristics of this processor.

.

SYSCLK and SYSCLK# AC Characteristics

 

 

 

 

Table 3.

 

 

 

 

 

 

 

 

 

 

 

 

Symbol

 

Parameter Description

 

Minimum

Maximum

Units

Notes

 

 

 

 

 

 

 

 

 

 

Clock Frequency

 

50

133

MHz

1

 

 

 

 

 

 

 

 

 

 

Duty Cycle

 

30%

70%

 

 

 

 

 

 

 

 

 

 

t1

 

Period

 

7.5

 

ns

2, 3

t2

 

High Time

 

1.05

 

ns

 

t3

 

Low Time

 

1.05

 

ns

 

t4

 

Fall Time

 

 

2

ns

 

t5

 

Rise Time

 

 

2

ns

 

 

 

Period Stability

 

 

± 300

ps

 

 

 

 

 

 

 

 

 

Notes:

 

 

 

 

 

 

 

1. The AMD Athlon™ system bus operates at twice this clock frequency.

 

 

 

2. Circuitry driving the AMD Athlon system bus clock inputs must exhibit a suitably low closed-loop jitter bandwidth to allow the PLL

to track the jitter. The –20dB attenuation point, as measured into a 20- or 30-pF load must be less than 500 kHz.

 

3. Circuitry driving the AMD Athlon system bus clock inputs may purposely alter the AMD Athlon system bus clock frequency (spread

spectrum clock generators). In no cases can the AMD Athlon system bus period violate the minimum specification above.

AMD Athlon system bus clock inputs can vary from 100% of the specified frequency to 99% of the specified frequency at a

maximum rate of 100 kHz.

 

 

 

 

 

 

 

 

 

 

 

 

Figure 8 shows a sample waveform of the SYSCLK signal.

 

t2

 

VCROSS

VThreshold-AC

t3

 

t5

t4

 

 

t1

Figure 8. SYSCLK Waveform

24

Advanced 266 Front-Side Bus AMD Athlon™ XP Processor Model 8 Specifications

Chapter 6

Page 36
Image 36
AMD 8 manual Parameter Description Minimum Maximum, Clock Frequency, Duty Cycle

8 specifications

AMD's Ryzen 8000 series, commonly referred to as AMD 8, represents a significant leap in performance and efficiency, leveraging advanced technologies that cater to gamers, content creators, and enterprise users alike. With a continued focus on the Zen architecture, the Ryzen 8000 processors enhance performance per watt, delivering increased efficiency without compromising on power.

One of the standout features of AMD 8 is its adoption of the 5nm process technology. This innovation allows for a higher density of transistors, resulting in improved performance metrics and reduced power consumption. The smaller node size not only enhances clock speeds but also ensures that the chips generate less heat, making thermal management easier for system builders.

AMD has introduced a new architecture with the Ryzen 8000 series known as Zen 5. This architecture brings improved instructions per cycle (IPC) over its predecessors, leading to faster performance in both single-threaded and multi-threaded workloads. Gamers will benefit from higher frame rates, while professionals in fields such as video editing and 3D rendering can expect noticeable improvements in rendering times.

Another key technology in the AMD 8 lineup is the integration of AMD's next-generation RDNA graphics architecture. This allows for enhanced graphics performance in systems without dedicated GPU hardware. The combination of advanced graphics and CPU capabilities provides a more versatile platform for casual gamers and users with less demanding graphical needs.

Support for PCIe 5.0 is a game changer for the AMD 8000 series, offering double the bandwidth of its predecessor, PCIe 4.0. This feature allows for faster data transfer rates with compatible SSDs and graphics cards, ensuring that users can take full advantage of the latest storage technologies.

Additionally, AMD's Infinity Cache has made its way into the Ryzen 8000 series, further enhancing memory bandwidth. This technology reduces latency and increases efficiency by caching frequently accessed data closer to the processor.

In terms of connectivity, the Ryzen 8000 models come equipped with Wi-Fi 7 and Bluetooth 5.2, providing ultra-fast wireless connections that are essential for modern gaming and streaming experiences.

In summary, AMD's Ryzen 8000 series, or AMD 8, is designed for maximum performance and efficiency. With its advanced 5nm technology, enhanced Zen 5 architecture, integrated RDNA graphics, PCIe 5.0 support, Infinity Cache, and state-of-the-art connectivity features, it sets a new standard for processors in its class, making it a top choice for both gamers and professionals.