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64KB 64K x 8 FLASH 8051 8-Bit Microcontroller 89LP Series AT89LP6440 44 Pin 20MHz 3.3V 44-VFQFN Exposed Pad
64KB 64K x 8 FLASH 8051 8-Bit Microcontroller 89LP Series AT89LP6440 44 Pin 20MHz 3.3V 44-VFQFN Exposed Pad