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Datasheet 54LS191 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 2 | 54LS191 | Synchronous Up/Down Counters With Down/Up Mode Control |
 Texas Instruments |
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| 1 | 54LS191 | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE BCD/DECADE UP/DOWN COUNTERS
PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Counter and the SN54/ 74LS191 is a synchronous UP / DOWN Modulo-16 Binary Counter. State changes of the counters are synchronous with the LOW-to-HIGH trans |
 Motorola Semiconductors |
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