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SN74HCT257 - QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXER

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SN74HCT257 Product details

Description

ordering information NC No internal connection The ’HCT257 devices are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems.The 3-state outputs do not load the data lines when the output-enable (OE) input is at the high logic level.To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of th

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