80C51 89C Microcontroller IC 8-Bit 40MHz 16KB (16K x 8) FLASH 28-PLCC (11.51x11.51)..
80C51 AT89C513x Microcontroller IC 8-Bit 48MHz 16KB (16K x 8) FLASH 64-LQFP (10x10)..
80C51 AT89C513x Microcontroller IC 8-Bit 48MHz 16KB (16K x 8) FLASH 64-LQFP (10x10)..
80C51 AT89C513x Microcontroller IC 8-Bit 48MHz 16KB (16K x 8) FLASH 64-VQFP (10x10)..
80C51 AT89C513x Microcontroller IC 8-Bit 48MHz 16KB (16K x 8) FLASH 52-PLCC (19.15x19.15)..