| CD4020BCN | | part details | | NSC | | 8942 | | Ships Today | | 100 |
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| CD4025BE | | part details | | RCA | | 9419 | | Ships Today | | 15 |
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| BCL4028BC | | part details | | SPRAGUE | | | Avail | | 11782 |
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| SCL4028BC | | part details | | SSS84* | | | Avail | | 4605 |
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| SIL4028BC | | part details | | SIL | | | Avail | | 1464 |
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| 4028BCL | | part details | | mot | | | Avail | | 945 |
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| CD4028BCM | | part details | | NATIONL | | | Avail | | 422 |
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| BCL4028BC | | part details | | Sprague Electric Co | | 8921 | | Avail | | 389 |
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| SCL4028BC | | part details | | Solid State | | 7925 | | Avail | | 295 |
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| SCL4028BC | | part details | | SSSC | | | Avail | | 175 |
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| 4028BCP | | part details | | mot | | | Avail | | 150 |
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| 4028BCL | | part details | | PHILIPS | | 84/85 | | Avail | | 119 |
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