| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | PAL18H4VC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
 National Semiconductor ... | PAL18H4VM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4A |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4AC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4AJ |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4AJC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4AJM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4AM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4AN |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4ANC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4ANM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4AV |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4AVC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4AVM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4C |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4J |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4JC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4JM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4M |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18H4N |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |