API: Product Information - Alpha 21264A

• Commercial Servers
  - A Scalable, High-Capacity, High-Bandwidth server to address business demands
  - Sustained Memory Bandwidth of over 1.6 GB/s
• Web Servers
  - Power for Real Time Compression/Decompression of Content
  - Bandwidth for Video Conferencing and Video Server
• Voice Computing Solution
  - Real-time Translator
  - 3D Human Interface and Visualizing Environment
• The 21264A provides end users with a quantum leap in performance for:
  - Real-time Visual Computing
  - Instant Data Mining
  - Internet Commerce Implementations
  - Enhanced Medical Imaging
  - DVD Authoring/Playback
  - Speech Recognition
  - Video Editing
• Alpha Motion-Video Instructions (MVI)
  - Optimizes Visual Computing (Video and 3D-Graphics)
  - Supports Real-time DVD Authoring (MPEG2 and AC-3)

The 21264A is the third-generation 64-Bit Alpha Microprocessor. It includes the latest Alpha architecture extensions, such as Motion-Video Instructions and Byte/Word operations.

The 21264A completely controls its L2 cache and provides flexible bus timing to support a range of L2 cache memory devices such as:

• 200MHz late-write SRAMs (3.2 GB/s)
• 166MHz (333MHz data rate) dual-data clock-forwarded SRAMs (5+ GB/s)
• L1 Cache: 2 64bit datapaths with 3 cycle load-to-use latency providing an 8+ GB/s Sustained Bandwidth
• L2 Bcache: 128bit datapath with 12 cycle load-to-use latency providing a 3.2 GB/s Sustained Bandwidth
• System Bus: 64bit datapath with 80 cycle load-to-use latency providing a 1.6 GB/s Sustained Bandwidth