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CY74FCT257ATD 数据手册 ( 数据表 )

零件编号产品描述 (功能)生产厂家
CY74FCT257ATD QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS Texas-Instruments
Texas Instruments Texas-Instruments
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description
The CY74FCT257T has four identical two-input multiplexers that select four bits of data from two sources under the control of a common data-select (S) input. The I0 inputs are selected when S is low, and the I1 inputs are selected when S is high. Data at the output is noninverted.

● Function, Pinout, and Drive Compatible With FCT and F Logic
● Reduced VOH (Typically = 3.3 V) Version of Equivalent FCT Functions
● Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics
● Ioff Supports Partial-Power-Down Mode Operation
● Matched Rise and Fall Times
● Fully Compatible With TTL Input and Output Logic Levels
● ESD Protection Exceeds JESD 22
    − 2000-V Human-Body Model (A114-A)
    − 200-V Machine Model (A115-A)
    − 1000-V Charged-Device Model (C101)
● 64-mA Output Sink Current 32-mA Output Source Current
● 3-State Outputs

 

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