These 256K Byte cache modules offer dual asynchronous 32K x 32 banks of memory. There is a 16K x 8 tag memory for main memory cacheability up to 64 Megabytes. The MCM32N865 and MCM32P865 include a 16K x 1 common I/O dirty bit for writeback cache capability.
   
• 64MB of Cacheable Memory
• Low Profile Edge Connector: Burndy Part Number: CELP2X56SC3Z48
• All Inputs and Outputs are TTL Compatible
• Three State Outputs
• Fast Module Cycle Time: Up to External Processor Bus Speed of 33 MHz
• Cache Bank Write, Byte Chip Enable, Bank Output Enable
• Decoupling Capacitors are Used for Each Fast Static RAM
• High Quality Multi–Layer FR4 PWB With Separate Power and Ground Planes
• 5 V and 3.3 V Power Supplies are Supported