| 54LS51J | | part details | | Texas Instruments | | | Avail | | 832 |
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| SN54LS51J | | part details | | T-I | | | Avail | | 508 |
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| SNJ54LS51J | | part details | | Motorola Corp | | 8426 | | Avail | | 446 |
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| SN54LS51J | | part details | | MOT | | 83 | | Avail | | 314 |
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| DM54LS51J/883QS | | part details | | NSC | | 97 | | Avail | | 300 |
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| SN54LS51J | | part details | | TI | | 90+ | | Avail | | 284 |
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| 54LS51J883B | | part details | | Raytheon | | | Avail | | 249 |
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| SNJ54LS51J | | part details | | T-I | | | Avail | | 246 |
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| SNC54LS51J | | part details | | TI81 | | | Avail | | 236 |
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| DM54LS51J/883B | | part details | | NSC79 | | | Avail | | 228 |
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| SN54LS51J | | part details | | TI | | | Avail | | 203 |
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| SN54LS51J | | part details | | TEXAS INSTRUMENT 82+ | | | Avail | | 194 |
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