Microchip At28Hc64Bf-12Ju.
PARALLEL EEPROM, 64KBIT, PLCC-32; Memory Interface Type:Parallel; Memory Size:64Kbit; EEPROM Memory Configuration:8K x 8bit; Clock Frequency:5MHz; Memory Case Style:LCC; No. of Pins:32Pins; Supply Voltage Min:4.5V; MSL:MSL 2 - 1 year