| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | PAL18R4VC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
 National Semiconductor ... | PAL18R4VM |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4A |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4AC |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4AJ |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4AJC |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4AJM |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4AM |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4AN |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4ANC |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4ANM |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4AV |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4AVC |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4AVM |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4C |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4J |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4JC |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4JM |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4M |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4N |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL18R4NC |  448Kb/ 14P | Progammable Array Logic Series 24 (PAL Series 24) |