| Fabricante Electrónico | No. de pieza | Datasheet | Descripción Electrónicos |
National Semiconductor ... | 54F191FMQB | 
175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
National Semiconductor ... | 54F191FMX |
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 |
| 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 |
| 54F191PMX |
175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
| 54F191SCQB |
175Kb/10P | Up/Down Binary Counter with Preset and Ripple Clock |
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