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                    CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 64KB (64K x 8) FLASH 32-QFN (4x4)...
                    CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 32KB (32K x 8) FLASH 32-QFP (7x7)...
                    CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 50MHz 8KB (8K x 8) FLASH 20-QFN (3x3)...
                    CIP-51 8051 Busy Bee Microcontroller IC 8-Bit 25MHz 8KB (8K x 8) FLASH 16-SOIC...
                    CIP-51 8051 Laser Bee Microcontroller IC 8-Bit 72MHz 16KB (16K x 8) FLASH 24-QSOP...