SN74AHC1G125/SN74AHC1G125-Q1 Bus Buffer Gate Texas Instruments SN74AHC1G125/SN74AHC1G125-Q1 Single Bus Buffer Gate comes with a 3-state output. The output is disabled when the output-enable (OE) input is high. When OE is low, true data is passed from the A input to the Y output. Typical applications include projectors, TVs, servers, motor controls, patient monitoring, and electronic point of sale. The SN74AHC1G125-Q1 devices are AEC-Q100 qualified for automotive applications.