Home / Standards / GB/T 46280.4-2025 GB/T 46280.4-2025 Active Specification for chiplet inerconnection interface—Part 4: Physical layer technical requirements based on 2D package 芯粒互联接口规范 第4部分:基于2D封装的物理层技术要求 Standard Type GBT ICS 31.200 CCS L55 Status 现行 Issue Date 2025-08-19 Implementation 2026-03-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A