| Компонент | Описание | Производитель | |
| UT54ACTS190PCA | RadHard MSI. Synchronous 4-bit up/down BCD counter. TTL compatible I/O level. Lead finish solder. |
List of Unclassifed Manufacturers |
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| UT54ACTS190PCC | RadHard MSI. Synchronous 4-bit up/down BCD counter. TTL compatible I/O level. Lead finish gold. |
List of Unclassifed Manufacturers |
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| UT54ACTS190PCX | RadHard MSI. Synchronous 4-bit up/down BCD counter. TTL compatible I/O level. Lead finish optional. |
List of Unclassifed Manufacturers |