SN74HC139-Q1 - 汽车类二路 2 线路至 4 线路解码器/解复用器

SN74HC139-Q1是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN74HC139-Q1是汽车类二路 2 线路至 4 线路解码器/解复用器，本站介绍了SN74HC139-Q1的封装应用图解、特点和优点、功能等，并给出了与SN74HC139-Q1相关的TI元器件型号供参考。

SN74HC139-Q1 - 汽车类二路 2 线路至 4 线路解码器/解复用器 - 解码器/编码器/多路复用器 - 特殊逻辑 - 德州仪器

产品描述

The SN74HC139 device is designed for high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, this decoder can minimize the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, the delay time of this decoder and the enable time of the memory usually are less than the typical access time of the memory. This means that the effective system delay introduced by the decoder is negligible.

The SN74HC139 device comprises two individual 2-line to 4-line decoders in a single package. The active-low enable G input can be used as a data line in demultiplexing applications. This decoder/demultiplexer features fully buffered inputs, each of which represents only one normalized load to its driving circuit.

产品特性

Qualified for Automotive Applications
Targeted Specifically for High-Speed Memory Decoders and Data-Transmission Systems
Wide Operating Voltage Range of 2 V to 6 V
Outputs Can Drive up to Ten LSTTL Loads
Low Power Consumption, 80-µA Max ICC
Typical tpd = 10 ns
±4-mA Output Drive at 5 V
Low Input Current of 1 µA Max
Incorporate Two Enable Inputs to Simplify Cascading and/or Data Reception
ESD Protection Level per AEC-Q100 Classification
- 2000-V (H2) Human-Body Model
- 200-V (M3) Machine Model
- 1000-V (C5) Charged-Device Model

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