| MM5280N-5 | | part details | | NSC | | | Avail | | 550 |
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| MM5280N-5 | | part details | | NSC81 | | | Avail | | 525 |
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| MM5280N-5 | | part details | | NSC82 | | | Avail | | 429 |
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| MM5280N5 | | part details | | NSC | | 82 89 89 | | Avail | | 181 |
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| MM5280N-5 | | part details | | NSC | | | Avail | | 146 |
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| 5280N-5 | | part details | | NSC | | | Avail | | 80 |
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| MM5280N5 | | part details | | NATIONAL SEMI CONDUCTORS | | | Avail | | 60 |
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| NM5280N-5 | | part details | | NSC | | | Avail | | 60 |
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| MM5280N-5 | | part details | | N-S | | | Avail | | 52 |
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| MM5280N-5 | | part details | | NSC | | 99 | | Avail | | 50 |
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| MM5280N5 | | part details | | NATION | | 89 | | Avail | | 35 |
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| MM5280N-5 | | part details | | NSC | | 81 | | Avail | | 31 |
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