PARALLEL EEPROM, 256KBIT, DIP-28; Memory Configuration:32K x 8bit; Interfaces:Parallel; Clock Frequency Max:5MHz; IC Case / Package:DIP; No. Atmel At28C256-15Pu.
Atmel At28C64B-15Pu.PARALLEL EEPROM, 64KBIT, DIP-28; Memory Configuration:8K x 8bit; Interfaces:Parallel; Clock Frequency Max:5MHz; IC Case / Package:DIP; No.