If you're looking for a detailed datasheet for the ALC271X, you can try searching online for the following keywords: "ALC271X datasheet", "Avance Logic ALC271X", or "Realtek ALC271X". You can also check the websites of electronics distributors or semiconductor manufacturers for datasheets and technical documentation.
While it has relatively low popularity in the current open market, specialized electronic distributors like Jotrin Electronics Win-Source often maintain stock for repairs and manufacturing. Counterfeit Risk: alc271x datasheet
The datasheet explicitly notes that the ALC271X does not support "Power State Mapping" for all inputs simultaneously. You cannot use Line-in and Mic-in at the same time in hardware. If you're looking for a detailed datasheet for