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| No. | Name | Description | Package |
| 1 | UTC LM339 | Quad Single Supply Comparator | DIP-14, SOP-14, TSSOP-14 |
| 2 | UTC LM393 | Low Offset Voltage Dual Comparator | DIP-8, SOP-8, TSSOP-8 |
| 3 | UTC LMV393 | dual general purpose, low volage, comparators | DIP-8, SOP-8, MSOP-8 |
| 4 | UTC TS391/A/B/C | low power single voltage comparator | SOT-25，SOT-353 |