RAM -Technical Perspective

• The RAM Guide

• Bits and Bytes
• Calculate the Size in MB's
• True Parity, Logical Parity and ECC
• Identifying part numbers
• TSOP's and SOJ's
• Composite and Non-Composite ("True")
• Buffered RAM and Voltage
• SPD EPROM's on SDRAM
• The meaning of SIMM, DIMM and the number of pins
• 2K and 4K Refresh Columns and Rows
• Memory Interleaving
• PC100 SDRAM Latency
• EDO Speed
• Comparison CPU Bus Speeds
• Cache

• The Cache Hit Ratio
• Direct Mapping Cache
• Fully associative cache
• Set Associative Cache
• Burst timing (5-2-2-2 notation)
• Pipelined Burst, Synchronous and Asynchronous SRAM
• Cache Burst Timings at Various Bus Speeds
• Write-Through Cache and Write-Back Cache and Data Consistency
• Tag Chips and caching over 64MB's of RAM
• COAST's and CELP's
• SIMM architectures: FPM, EDO, BEDO, SDRAM, etc.
• RAM related Links
• RAM Price Changes