| CD54HC540FX | | part details | | HARRIS. | | | Avail | | 43 |
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| 54HC541 | | part details | | TI | | 94+ | | Avail | | 35 |
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| 54HC541 | | part details | | TI | | N/A | | Avail | | 30 |
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| 54HC541F | | part details | | | | Avail | | 28 |
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| CD54HC540FX | | part details | | HARRIS | | | Avail | | 23 |
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| CD54HC540FX | | part details | | Harris Semiconductor | | 9141 | | Avail | | 19 |
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| 54HC540C | | part details | | SPR | | | Avail | | 14 |
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| 54HC541/BRAJC | | part details | | TEXAS INSTRUMENTS | | | Avail | | 6 |
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| 54HC541F | | part details | | RCA | | | Avail | | 3 |
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| 54HC541/BRAJC | | part details | | TI | | 89+ | | Avail | | 3 |
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| 54HC540F | | part details | | RCA | | | Avail | | 2 |
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| 54HC540F3A | | part details | | RCA | | | Avail | | 1 |
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