| Z8420AB1 | Z80 PIO parallel input/output controller, 4MHz in 40-pin PDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420AC1 | Z80 PIO parallel input/output controller, 4MHz in 44-pin PLCC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420AD1 | Z80 PIO parallel input/output controller, 4MHz in 40-pin CERDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420AD2 | Z80 PIO parallel input/output controller, 4MHz in 40-pin CERDIP package. Operational temperature range from -55°C to 125°C. | Datasheet*) |
| Z8420AD6 | Z80 PIO parallel input/output controller, 4MHz in 40-pin CERDIP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| Z8420AF1 | Z80 PIO parallel input/output controller, 4MHz in 40-pin DIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420B1 | Z80 PIO parallel input/output controller, 2.5MHz in 40-pin DIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420BB1 | Z80 PIO parallel input/output controller, 6MHz in 40-pin PDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420BC1 | Z80 PIO parallel input/output controller, 6MHz in 44-pin PLCC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420BD1 | Z80 PIO parallel input/output controller, 6MHz in 40-pin CERDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420BD2 | Z80 PIO parallel input/output controller, 6MHz in 40-pin CERDIP package. Operational temperature range from -55°C to 125°C. | Datasheet*) |
| Z8420BD6 | Z80 PIO parallel input/output controller, 6MHz in 40-pin CERDIP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| Z8420BF1 | Z80 PIO parallel input/output controller, 6MHz in 40-pin DIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420C1 | Z80 PIO parallel input/output controller, 2.5MHz in 44-pin PLCC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420D1 | Z80 PIO parallel input/output controller, 2.5MHz in 40-pin CERDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| Z8420D2 | Z80 PIO parallel input/output controller, 2.5MHz in 40-pin CERDIP package. Operational temperature range from -55°C to 125°C. | Datasheet*) |
| Z8420D6 | Z80 PIO parallel input/output controller, 2.5MHz in 40-pin CERDIP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| Z8420F1 | Z80 PIO parallel input/output controller, 2.5MHz in 40-pin CERDIP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
