The ADC10664CIWMX/NOPB is listed as Active by Texas Instruments, meaning the manufacturer continues to support this order code for new and existing designs.
Device identity and package
This is a Texas Instruments ADC (Analog-to-Digital Converter) using a FLASH/Successive Approximation architecture, supplied in a Bulk package. It sits within the Discrete Semiconductors category, a broad classification that covers individual semiconductor devices not integrated into a larger module.