https://www.wechip.com/AS4C256M16D4_83BIN-a5f046fbb10746a4b86b395fc55bca15-2.html 2026-02-26 weekly 0.9 https://www.wechip.com/AS4C256M16D4_75BCN-4c7cb9d9e1e6492f92dffbb0ec165ee1-2.html 2026-04-09 weekly 0.9