制造商 | 部件名 | 数据表 | 功能描述 |
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 |
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 |
74F190SC | 178Kb/10P | Up/Down Decade Counter with Preset and Ripple Clock |
National Semiconductor ... | 74F191 | 175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor ... | 74F191 | 196Kb/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 |