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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