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Partname:CY74FCT399CTSOCTE4
Description:Quadruple 2-Input Multiplexers with Storage
Manufacturer:Texas Instruments
Datasheet:PDF (262K).
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The CY74FCT399T is a high-speed quad 2-input register that selects four bits of data from either of two sources (ports) under control of a common select (S) input. Selected data are transferred to a 4-bit output register synchronous with the low-to-high transition of the clock (CP) input. The 4-bit D-type output register is fully edge triggered. The data inputs (I0X, I1X) and S input must be stable only one setup time prior to, and hold time after, the low-to-high transition of CP for predictable operation. The CY74FCT399T has noninverted outputs. This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. PIN DESCRIPTION

Click here to download CY74FCT399CTSOCTE4 Datasheet
Click here to download CY74FCT399CTSOCTE4 Datasheet
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