| SN54LS257AJ | | part details | | TI | | 82+ | | Avail | | 415 |
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| SN54LS257AJ | | part details | | MOTOROLA | | | Avail | | 325 |
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| SNJ54LS257AJ | | part details | | T-I | | | Avail | | 310 |
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| DM54LS257AJ/883 | | part details | | NATIONAL SEMIC | | 97+ | | Avail | | 228 |
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| SN54LS257AJ | | part details | | Motorola | | 8351 | | Avail | | 218 |
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| 54LS257AJ | | part details | | ICS | | | Avail | | 174 |
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| 54LS257AJ | | part details | | MOT | | | Avail | | 145 |
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| SNJ54LS257AJ | | part details | | MOTOROLA | | 85+ | | Avail | | 138 |
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| SN54LS257AJ | | part details | | TI | | | Avail | | 137 |
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| SNC54LS257AJ | | part details | | TI | | | Avail | | 136 |
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| SN54LS257AJB | | part details | | TEXAS INSTRUMENTS INC. | | | Avail | | 130 |
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| SN54LS257AJ(KS22318L5) | | part details | | MOT | | | Avail | | 128 |
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