- D87C51FB-1
- Intel
- MCS51 8-BIT 16MHz 40-CDIP - D87C51FB-1
- D87C51FB-2
- Intel
- MCS51 8-BIT 12MHz 40-CDIP - D87C51FB-2
- D87C51FB-24
- Intel
- MCS51 8-BIT 24MHz 40-CDIP - D87C51FB-24
- D87C51FB-33
- Intel
- MCS51 8-BIT 33MHz 40-CDIP - D87C51FB-33
- LD87C51FB-1
- Intel
- MCS51 8-BIT 16MHz 40-CDIP - LD87C51FB-1
- LD87C51FB-2
- Intel
- MCS51 8-BIT 12MHz 40-CDIP - LD87C51FB-2
- LD87C51FB-24
- Intel
- MCS51 8-BIT 24MHz 40-CDIP - LD87C51FB-24
- TD87C51FB-1
- Intel
- MCS51 8-BIT 16MHz 40-CDIP - TD87C51FB-1
- TD87C51FB-2
- Intel
- MCS51 8-BIT 12MHz 40-CDIP - TD87C51FB-2
- TD87C51FB-24
- Intel
- MCS51 8-BIT 24MHz 40-CDIP - TD87C51FB-24
- TD87C51FB-33
- Intel
- MCS51 8-BIT 33MHz 40-CDIP - TD87C51FB-33