| SN74LS541N | | part details | | TI | | 92 | | Ships Today | | 90 |
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| SN74LS540N | | part details | | TI | | 8948 | | Ships Today | | 60 |
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| 74LS51PC | | part details | | FSC | | 80 | | Avail | | 2421 |
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| 74LS51PC | | part details | | Fairchild Semiconductor C | | 8507 | | Avail | | 1499 |
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| F74LS51PC | | part details | | FAIRCHI | | | Avail | | 1097 |
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| 74LS51PC | | part details | | FAIRCHILD | | | Avail | | 1075 |
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| 74LS51PC | | part details | | FAIRCHILD SEMICONDUCTOR | | 82 | | Avail | | 850 |
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| 74LS51PC | | part details | | FAIRCHILD | | 86 83 83 | | Avail | | 815 |
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| 74LS51PC | | part details | | N/A | | | Avail | | 681 |
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| 74LS51PC | | part details | | FSC | | | Avail | | 642 |
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| 74LS51PC | | part details | | | | Avail | | 632 |
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| 74LS51PCQR | | part details | | FSC | | 85 | | Avail | | 475 |
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