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CY74FCT399T - 产品图解：
CY74FCT399T-具有存储器的四路 2 输入多路复用器
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TI产品 - CY74FCT399T介绍

CY74FCT399T - 具有存储器的四路 2 输入多路复用器

CY74FCT399T是TI德州仪器公司的一款解码器/编码器/多路复用器产品，CY74FCT399T是具有存储器的四路 2 输入多路复用器，本站介绍了CY74FCT399T的封装应用图解、特点和优点、功能等，并给出了与CY74FCT399T相关的TI元器件型号供参考。

CY74FCT399T - 具有存储器的四路 2 输入多路复用器 - 解码器/编码器/多路复用器 - 特殊逻辑 - 德州仪器

产品描述

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.

产品特性

  • Function, Pinout, and Drive Compatible With FCT and F Logic
  • Reduced VOH (Typically = 3.3 V) Versions 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
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)
  • Fully Compatible With TTL Input and Output Logic Levels
  • 64-mA Output Sink Current 32-mA Output Source Current

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