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Texas Instruments SN74AHC139/SN74AHC139-Q1 2-to-4 Line Decoder/Demux
Texas Instruments SN74AHC139/SN74AHC139-Q1 Dual 2-to-4 Line Decoder / Demultiplexers are designed for data-routing and high-performance memory-decoding applications requiring short propagation-delay times. These decoders can be used to minimize the effects of system decoding in high-performance memory systems. The delay times of these decoders and the enable time of the memory are usually less than the typical access time when employed with high-speed memories utilizing a fast enable circuit. This feature means that the effective system delay introduced by the decoders is negligible. The Texas Instruments SN74AHC139-Q1 devices are AEC-Q100 qualified for automotive applications.
FEATURES
- Operating range 2V to 5.5V VCC
- Designed specifically for high-speed memory decoders and data-transmission systems
- Incorporate two enable inputs to simplify cascading and/or data reception
- Latch-up performance exceeds 250mA per JESD 17
- ESD protection exceeds JESD 22
- 2000V Human-Body Model (A114-A)
- 1000V Charged-Device Model (C101)
APPLICATIONS
- Memory device selection with shared data bus
- Route data
- Reduce the required number of outputs for chip-select applications