28C64A-20I/LIC EEPROM 64KBIT 200NS 32PLCC|MICROCHIP TECHNOLOGY|Lead Mixed|RoHS Mixed 28C64AT-20I/L 28C64A-20I/SOIC EEPROM 64KBIT 200NS 28SOIC|MICROCHIP TECHNOLOGY|Lead Mixed|RoHS Mixed 28C64AT-20I/SO