- D83C51FA-2
- Intel
- MCS51 8-BIT 12MHz 40-CDIP - D83C51FA-2
- D83C51FA-24
- Intel
- MCS51 8-BIT 24MHz 40-CDIP - D83C51FA-24
- LD83C51FA-2
- Intel
- MCS51 8-BIT 12MHz 40-CDIP - LD83C51FA-2
- LD83C51FA-24
- Intel
- MCS51 8-BIT 24MHz 40-CDIP - LD83C51FA-24
- TD83C51FA-2
- Intel
- MCS51 8-BIT 12MHz 40-CDIP - TD83C51FA-2
- TD83C51FA-24
- Intel
- MCS51 8-BIT 24MHz 40-CDIP - TD83C51FA-24