.The CAT28C64BN-15 is an Electrically Erasable Programmable Read-Only Memory (EEPROM) device made by Catalyst Semiconductor Inc. The device is packaged in a 32-pin PLCC (Plastic Leadless Chip Carrier) case, making it suitable for Surface Mount Technology (SMD) mounting. It operates over a voltage range of 5V and a maximum temperature of 70°C and has a parallel type interface with an access time of 150 ns. This memory device has an 8Kx8 bit capacity with power down protection, offering nonvolatile programming and data retention for up to 10 years. The CAT28C64BN-15 is suitable for industrial, telecommunications, automotive and computers applications.