| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | MM5290 |  376Kb/6P | 16384-BIT (16384 X 1 ) DYNAMIC RAM |
| MM5290J-2 |  376Kb/6P | 16384-BIT (16384 X 1 ) DYNAMIC RAM |
| MM5290J-3 |  376Kb/6P | 16384-BIT (16384 X 1 ) DYNAMIC RAM |
| MM5290J-4 |  376Kb/6P | 16384-BIT (16384 X 1 ) DYNAMIC RAM |
| MM5290N-2 |  376Kb/6P | 16384-BIT (16384 X 1 ) DYNAMIC RAM |
| MM5290N-3 |  376Kb/6P | 16384-BIT (16384 X 1 ) DYNAMIC RAM |
| MM5290N-4 |  376Kb/6P | 16384-BIT (16384 X 1 ) DYNAMIC RAM |
| MM5298 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298AJ-2 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298AJ-3 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298AJ-4 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298AN-2 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298AN-3 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298AN-4 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298BJ-2 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298BJ-3 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298BJ-4 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |