28C64A-25I/LIC EEPROM 64KBIT 250NS 32PLCC|MICROCHIP TECHNOLOGY|Lead Mixed|RoHS Mixed 28C64AT-25I/L 28C64A-25I/SOIC EEPROM 64KBIT 250NS 28SOIC|MICROCHIP TECHNOLOGY|Lead Mixed|RoHS Mixed 28C64AT-25I/SO