| 제조업체 | 부품명 | 데이터시트 | 상세설명 |
 National Semiconductor ... | 74F193SC |  191Kb/10P | Up/Down Binary Counter with Separate Up/Down Clocks |
 National Semiconductor ... | 74F193SJ |  191Kb/10P | Up/Down Binary Counter with Separate Up/Down Clocks |
 National Semiconductor ... | 74F193PC |  191Kb/10P | Up/Down Binary Counter with Separate Up/Down Clocks |
 National Semiconductor ... | 74F190 |  178Kb/10P | Up/Down Decade Counter with Preset and Ripple Clock |
 National Semiconductor ... | 74F190PC |  178Kb/10P | Up/Down Decade Counter with Preset and Ripple Clock |
 National Semiconductor ... | 74F190SC |  178Kb/10P | Up/Down Decade Counter with Preset and Ripple Clock |
| 74F191 |  196Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
 National Semiconductor ... | 74F191 |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
 National Semiconductor ... | 74F191DCQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DCX |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191DMQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |