| Manufacturer | Part # | Datasheet | Description |
National Semiconductor ... | 74F191SC | 
196Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor ... | 74F191SCQB |
175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SCX |
175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor ... | 74F191SCQB |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SCX |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SJ |
196Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor ... | 74F191SJCQB |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SJCX |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SJMQB |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SJMX |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SMQB |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191SMX |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 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 |
| 74F191DMX |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191FCQB |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191FCX |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191FMQB |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191FMX |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 74F191LCQB |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
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