Features
The KE5BGCA128 provides best solution to the fast "Address Filtering" requirements of todays internetworking switching equipment with the following outstanding functions.
• 128k-bit capacity of table
   - 64-bit x 2048 entries
   - CAM/RAM substitution
• Dual Port Architecture
   - 32-bit I/O Port
   - 16-bit Output Port
• 12 Search Conditions
   -12 Mask registers selected by the external pins (MS<3:0>) and the CNTL1 register
   - Access bit can be set for data aging
   - Permanent bit can be set for permanent entry
   - Automatic output of the contents of the Hit entry and the Empty entry address from the 16-bit Output Port
• Cascading
   - Table size is expandable.
   - A cascaded table acts as one integral search data table by internal device priority control.
• Commands
   - Useful commands for table management such as aging and purging.
   - Useful command for Source Address Learning
• Synchronous Operation
   - 30ns cycle time
   - 64-bit input/30ns
   - Search, data read/write, and command operations are executed at high speed.
• 128-pin SQFP Package
• 3.3 v CMOS technology