SN74HC139QDRQ1 Texas Instruments - Yeehing Electronics

Automotive Catalog Dual 2-Line To 4-Line Decoders/Demultiplexers

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For more information, please refer to datasheet

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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.