| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | PAL18C4VC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
 National Semiconductor ... | PAL18C4VM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4A |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4AC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4AJ |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4AJC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4AJM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4AM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4AN |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4ANC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4ANM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4AV |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4AVC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4AVM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4C |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4J |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4JC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4JM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4M |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18C4N |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |