For HS400 performance, use 50-ohm transmission lines with 33Ω termination resistors close to the IC to reduce signal noise. JZ144 How GB eMMc Samsung - AliExpress
Based on the alphanumeric string "JZ144," this component is most likely a specific manufactured by Kingston (or a division utilizing their silicon). jz144 emmc
(embedded Multi-Chip Package) or high-speed memory component used in industrial and embedded systems. Depending on the specific manufacturer, it can serve as a consolidated storage and memory unit (eMMC + DRAM) or a high-performance SRAM IC. 1. Technical Overview For HS400 performance, use 50-ohm transmission lines with