8051 89V Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH 44-PLCC (16.59x16.59)..
8051 89C Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH 44-PLCC (16.59x16.59)..
8051 89C Microcontroller IC 8-Bit 33MHz 32KB (32K x 8) FLASH 44-PLCC (16.59x16.59)..
8051 89C Microcontroller IC 8-Bit 33MHz 64KB (64K x 8) FLASH 44-PLCC (16.59x16.59)..