| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | DP8510 |  45Kb/1P | BITBLT PROCESSING UNIT |
 National Semiconductor ... | DP8511 |  61Kb/ 2P | BITBLT PROCESSING UNIT(BPU) |
| DP8511V |  61Kb/ 2P | BITBLT PROCESSING UNIT(BPU) |
| DP8500 |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8520A |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8520AV-20 |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8520AV-25 |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8521A |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8521AV-20 |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8521AV-25 |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8522A |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8522AV-20 |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8522AV-25 |  859Kb/ 70P | DP8520A/DP8521A/DP8522A microCMOS Programmable 256k/1M/4M Video RAM Controller/Drivers |
| DP8570 |  381Kb/ 26P | Timer Clock Peripheral (TCP) |
| DP8570A |  381Kb/ 26P | Timer Clock Peripheral (TCP) |
 National Semiconductor ... | DP8570AN |  381Kb/ 26P | Timer Clock Peripheral (TCP) |
 National Semiconductor ... | DP8570AV |  381Kb/ 26P | Timer Clock Peripheral (TCP) |