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PDF 74LS257B ( 数据表 ) |
零件编号 | 功能 ( 描述 ) | 制造商 | ||
2 | 74LS257B | 3-STATE Quad 2-Data Selectors/Multiplexers DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers June 1989 Revised November 1999 DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers General Description These Schottky-clamped high |
Fairchild Semiconductor |
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1 | 74LS257B | 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 c |
Motorola Semiconductors |
零件编号 | 功能 ( 描述 ) | 制造商 | |
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Micross |
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ROHM |
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BM63 | Bluetooth 4.2 Stereo Audio Module |
Microchip |
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