| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | PAL20R6AC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
 National Semiconductor ... | PAL20R6AJ |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6AJC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6AJM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6AM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6AN |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6ANC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6ANM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6AV |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6AVC |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6AVM |  448Kb/14P | Progammable Array Logic Series 24 (PAL Series 24) |
| PAL20R6-4JC |  1Mb/18P | Programmable Array Logic 24-Pin Medium PAL Series -7,-5,and -4 |
| PAL20R6-4JM |  1Mb/18P | Programmable Array Logic 24-Pin Medium PAL Series -7,-5,and -4 |
| PAL20R6-4NC |  1Mb/18P | Programmable Array Logic 24-Pin Medium PAL Series -7,-5,and -4 |
| PAL20R6-4NM |  1Mb/18P | Programmable Array Logic 24-Pin Medium PAL Series -7,-5,and -4 |
| PAL20R6-4VC |  1Mb/18P | Programmable Array Logic 24-Pin Medium PAL Series -7,-5,and -4 |
| PAL20R6-4VM |  1Mb/18P | Programmable Array Logic 24-Pin Medium PAL Series -7,-5,and -4 |
| PAL20R6-5JC |  1Mb/18P | Programmable Array Logic 24-Pin Medium PAL Series -7,-5,and -4 |
| PAL20R6-5JM |  1Mb/18P | Programmable Array Logic 24-Pin Medium PAL Series -7,-5,and -4 |
| PAL20R6-5NC |  1Mb/18P | Programmable Array Logic 24-Pin Medium PAL Series -7,-5,and -4 |