| 제조업체 | 부품명 | 데이터시트 | 상세설명 |
 National Semiconductor ... | 54F191FM |  196Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191FMQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191FMX |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
 National Semiconductor ... | 54F191FCQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191FCX |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191FMQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191FMX |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191DCQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191DCX |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191DM |  196Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191DMQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191DMX |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191LCQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191LCX |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191LM |  196Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191LMQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191LMX |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191PCQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191PCX |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191PMQB |  175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |