SN74HC253 - 具有三态输出的双路 4 线路到 1 线路数据选择器/多路复用器

SN74HC253是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN74HC253是具有三态输出的双路 4 线路到 1 线路数据选择器/多路复用器，本站介绍了SN74HC253的封装应用图解、特点和优点、功能等，并给出了与SN74HC253相关的TI元器件型号供参考。

SN74HC253 - 具有三态输出的双路 4 线路到 1 线路数据选择器/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

Each of these data selectors/multiplexers contains inverters and drivers to supply full binary decoding data selection to the AND-OR gates. Separate output-control inputs are provided for each of the two 4-line sections.

The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the common outputs disabled (in the high-impedance state), the low impedance of the single enabled output drives the bus line to a high or low logic level. Each output has its own output-enable (OE)\ input. The outputs are disabled when their respective OE\ is high.

产品特性

3-State Version of ’HC153
Wide Operating Voltage Range of 2 V to 6 V
High-Current Inverting Outputs Drive Up To 15 LSTTL Loads
Low Power Consumption, 80-µA Max ICC
Typical tpd = 9 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA Max
Permit Multiplexing From n Lines to One Line
Perform Parallel-to-Serial Conversion

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