AT89S52 Microcontroller
24 MHz 40 Pin AT89S52 Microcontroller with 8K Bytes of reprogrammable Flash Memory
AT89C51 Microcontroller
24 MHz 40 Pin AT89C51 Microcontroller IC with 4K Bytes of reprogrammable Flash Memory
P89V51RD2 Microcontroller
24 MHz 40 Pin P89V51RD2 Microcontroller with 64K Bytes of reprogrammable Flash Memory
P80C51 Microcontroller
16MHz and 33MHz 40 Pin P80C51 Microcontroller with 4K x 8 ROM
AT89S8253 Microcontroller
24 MHz 40 Pin AT89S8253 Microcontroller with 12K Bytes of reprogrammable Flash Memory
AT89S8252 Microcontroller
24 MHz 40 Pin AT89S8252 Microcontroller with 8K Bytes of reprogrammable Flash Memory
AT89S51 Microcontroller
33 MHz 40 Pin AT89S51 Microcontroller with 8K Bytes of reprogrammable Flash Memory
AT89C55 Microcontroller
33 MHz 40 Pin AT89C55 Microcontroller IC with 20K Bytes of reprogrammable Flash Memory
AT89C52 Microcontroller
24 MHz 40 Pin AT89C52 Microcontroller IC with 4K Bytes of reprogrammable Flash Memory
AT89C4051 Microcontroller
24 MHz 20 Pin AT89C4051 Microcontroller IC with 4K Bytes of reprogrammable Flash Memory
AT89C2051 Microcontroller
24 MHz 20 Pin AT89C2051 Microcontroller IC with 4K Bytes of reprogrammable Flash Memory