| Manufacturer | Part # | Datasheet | Description |
National Semiconductor ... | 54F192DM | 
193Kb/10P | Up/Down Decade Counter with Separate Up/Down Clocks |
National Semiconductor ... | 54F192FM |
193Kb/ 10P | Up/Down Decade Counter with Separate Up/Down Clocks |
| 54F192LM |
193Kb/ 10P | Up/Down Decade Counter with Separate Up/Down Clocks |
| 54F190 |
178Kb/ 10P | Up/Down Decade Counter with Preset and Ripple Clock |
| 54F190DM |
178Kb/ 10P | Up/Down Decade Counter with Preset and Ripple Clock |
| 54F190FM |
178Kb/ 10P | Up/Down Decade Counter with Preset and Ripple Clock |
| 54F190LM |
178Kb/ 10P | Up/Down Decade Counter with Preset and Ripple Clock |
| 54F191 |
196Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191 |
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 |
| 54F191FCQB |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191FCX |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 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 |
| 54F191LCQB |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191LCX |
175Kb/ 10P | Up/Down Binary Counter with Preset and Ripple Clock |
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