digitimes.com
2026-06-24
JEDEC finalized a new HBM4 packaging specification called SPHBM4 that aims to broaden high bandwidth memory (HBM) use cases by reducing packaging complexity and cost, industry sources reported. According to ET News, the DRAM subcommittee completed its review, and the JEDEC board gave final approval, positioning the standard to influence AI semiconductor cost structures and substrate choices.