8-Bit 8051 MCU, 24MHz, FLASH, 256B RAM, 44-Pin TQFP
8-Bit 8051 MCU, 20MHz, FLASH, 44-Pin TQFP
8-Bit MCU, 20MHz, FLASH, 8051, 44-Pin PQCC
8-bit 8051 MCU, 24MHz, 8KB Flash, 5V, TQFP
MCU 8-bit AT89 80C51 CISC 8KB Flash 5V 44-Pin PLCC
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