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Datasheet 54LS257 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | |
| 4 | 54LS257 | 54LS257A DM54LS257B TRI-STATE Quad 2-Data Selectors/Multiplexers (Rev. A) |
 Texas Instruments |
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| 3 | 54LS257A | TRI-STATE Quad 2-Data Selectors/Multiplexers Obsolete
54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers
June 1989
54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers
General Description
These Schottky-clamped high-performance mul |
 National Semiconductor |
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| 2 | 54LS257A | 54LS257A DM54LS257B TRI-STATE Quad 2-Data Selectors/Multiplexers (Rev. A) |
Texas Instruments |
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| 1 | 54LS257B | QUAD 2-INPUT MULTIPLEXER QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
The LSTTL / MSI SN54 / 74LS257B and the SN54 / 74LS258B are Quad 2-Input Multiplexers with 3-state outputs. Four bits of data from two sources can be selected using a Common Data Select input. The four outputs present the selected data in true (non-inver |
 Motorola Semiconductors |
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