制造商 | 部件名 | 数据表 | 功能描述 |
National Semiconductor ... | 74F192SJ | 193Kb/10P | Up/Down Decade Counter with Separate Up/Down Clocks |
National Semiconductor ... | 74F192SC | 193Kb/10P | Up/Down Decade Counter with Separate Up/Down Clocks |
National Semiconductor ... | 74F192PC | 193Kb/10P | Up/Down Decade 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 |
74F191DCQB | 175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |