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    | Partname: | 74ACT257_01 |  | Description: | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) |  | Manufacturer: | SGS-Thomson Microelectronics |  | Datasheet: | PDF (286K). Click here to download *)
 |  | The 74ACT257 is an advanced high-speed CMOS QUAD 2-CHANNEL MULTIPLEXER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS tecnology. It is composed of an independent 2-channel multiplexer with common SELECT and ENABLE (OE)inputs. It is a non-inverting multiplexer. When the ENABLE input is held HIGH, the outputs are forced to a high impedance state. When the |  |  Click here to download 74ACT257_01 Datasheet*)
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