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Datasheet 54LS190 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 3 | 54LS190 | Synchronous Up/Down Counters With Down/Up Mode Control |
 Texas Instruments |
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| 2 | 54LS190 | 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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| 1 | 54LS190 | Synchronous 4-Bit Up/Down Counters DM54LS190 DM74LS190 DM54LS191 DM74LS191 Synchronous 4-Bit Up Down Counters with Mode Control
May 1989
DM54LS190 DM74LS190 DM54LS191 DM74LS191 Synchronous 4-Bit Up Down Counters with Mode Control
General Description
These circuits are synchronous reversible up down counters The LS191 is a 4-bit bin |
 National Semiconductor |
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