AMD Athlon K7 550MHz Slot A Microprocessor

AMD Athlon K7 550MHz Slot A Microprocessor

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Item # CPU-K7550

Key architectural features of the AMD Athlon™ processor include:

The industry's first nine-issue superpipelined, superscalar x86 processor microarchitecture designed for high clock frequencies:

  • Multiple parallel x86 instruction decoders
  • Three out-of-order, superscalar, fully pipelined floating point execution units, which execute all x87 (floating point), MMX and 3DNow! instructions
  • Three out-of-order, superscalar, pipelined integer units
  • Three out-of-order, superscalar, pipelined address calculation units
  • 72-entry instruction control unit
  • Advanced dynamic branch prediction

Enhanced 3DNow!™ technology for leading-edge 3D performance

  • 21 original 3DNow! instructions-the first technology enabling superscalar SIMD
  • 19 new instructions to enable improved integer math calculations for speech or video encoding and improved data movement for Internet plug-ins and other streaming applications
  • 5 new DSP instructions to improve soft modem, soft ADSL, Dolby Digital surround sound, and MP3 applications
  • Compatible with Windows 98, Windows 95, and Windows NT 4.x without software patches

200-MHz AMD Athlon system bus (scalable beyond 400 MHz) enabling leading-edge system bandwidth for data movement-intensive applications

  • Source synchronous clocking (clock forwarding) technology
  • Support for 8-bit ECC for data bus integrity
  • Peak bandwidth of 1.6 to 3.2 GB/s
  • Multiprocessing support: point-to-point topology, with number of processors in SMP systems determined by chipset implementation
  • Support for 24 outstanding transactions per processor

High-performance cache architecture featuring an integrated 128KB L1 cache and a programmable, high-speed backside L2 cache interface

Slot A infrastructure design based on optimized, high-performance platforms

  • Available in processor cartridge with mechanical dimensions comparable to Pentium® III
  • Leverages existing physical/mechanical Slot 1 PC infrastructure, including mechanical connector, but with different bus protocols and electrical definitions
  • Electrical interface compatible with 200-MHz AMD Athlon system bus, based on Alpha EV6 bus protocol
  • Supported by a full line of optimized Slot A infrastructure solutions (chipsets, motherboards, BIOS)

Die size: approximately 22 million transistors on 184 mm2 die on 0.25-micron process technology

Manufactured using AMD's state-of-the-art 0.25-micron, six-layer-metal process technology at AMD's Fab 25 wafer fabrication facility

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