| 制造商 | 部件名 | 数据表 | 功能描述 |
 National Semiconductor ... | MM5298BN-2 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298BN-3 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5298BN-4 |  381Kb/6P | 8192-BIT (8192 X 1) DYNAMIC RAM |
| MM5309 |  526Kb/7P | DIGITAL CLOCKS |
| MM5309N |  526Kb/7P | DIGITAL CLOCKS |
| MM53108N |  510Kb/6P | Digital Alarm Clocks |
| MM5311 |  526Kb/7P | DIGITAL CLOCKS |
| MM5311N |  526Kb/7P | DIGITAL CLOCKS |
| MM5312 |  526Kb/7P | DIGITAL CLOCKS |
| MM5312N |  526Kb/7P | DIGITAL CLOCKS |
| MM5313 |  526Kb/7P | DIGITAL CLOCKS |
| MM5313N |  526Kb/7P | DIGITAL CLOCKS |
| MM5314 |  526Kb/7P | DIGITAL CLOCKS |
| MM53143 |  310Kb/5P | PUSH BUTTON PULSE DIALER CIRCUITS |
| MM53143J |  310Kb/5P | PUSH BUTTON PULSE DIALER CIRCUITS |
| MM53144 |  310Kb/5P | PUSH BUTTON PULSE DIALER CIRCUITS |
| MM53144J |  310Kb/5P | PUSH BUTTON PULSE DIALER CIRCUITS |
| MM5314N |  526Kb/7P | DIGITAL CLOCKS |
| MM5315 |  526Kb/7P | DIGITAL CLOCKS |
| MM5315N |  526Kb/7P | DIGITAL CLOCKS |