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Datasheet DM74LS191 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 3 | DM74LS191 | 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 bi |
 National Semiconductor |
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| 2 | DM74LS191 | Synchronous 4-Bit Up/Down Counter with Mode Control DM74LS191 Synchronous 4-Bit Up/Down Counter with Mode Control
August 1986 Revised February 1999
DM74LS191 Synchronous 4-Bit Up/Down Counter with Mode Control
General Description
The DM74LS191 circuit is a synchronous, reversible, up/ down counter. Synchronous operation is provided by having all fl |
 Fairchild Semiconductor |
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| 1 | DM74LS191 | (DM74LS190 / DM74LS191) Synchronous 4-Bit Up/Down Counters with Mode Control 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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