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Datasheet SN74LS49 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 4 | SN74LS49 | BCD-to-Seven-Segment Decoders/Drivers |
 Texas Instruments |
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| 3 | SN74LS490 | Dual 4-Bit Decade Counters (Rev. A) |
Texas Instruments |
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| 2 | SN74LS490 | DUAL DECADE COUNTER DUAL DECADE COUNTER
The SN54 / 74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54 / 74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. • Dual Version of SN54 / 74LS490 • Individual Asynchr |
 Motorola Semiconductors |
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| 1 | SN74LS491A | 10-Bit Counter |
 Monolithic Memories |
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