1
The Samsung Foundry LPDDR combo PHY supports 5.5Gbps LPDDR5 or 4.266Gbps LPDDR4 data rates with a 16-bit 1-channel configuration. It is DFI4.0 compliant with frequency ratios of 1:4 and 1:2. LPDDR5/4X PHY Features • Samsung Foundry 14nm low power CMOS device technology • Supports 4.266Gbps LPDDR4 • Supports 5.5Gbps LPDDR5 • Fully digital DLL for 90° phase shift of strobe signal • FIFO (width:16-bit/depth:32 per 8-bit data slice) for programmable read timing • Off-chip driver (OCD) • Supports Retention IO • On-die term (VSSQ-TERM) • Auto training after memory initialization • Command bus training • Auto-DQS cleaning • Write/Read bit training • Vref CA/DQ training • Power supply • 0.75V or 0.85V PHY Core Voltage (Typ.) • 0.6V for LPDDR4 IO, 0.5V for LPDDR5 IO • Feedback loop-back test scheme for at-speed data and control channel testing • Verified operation with OpenEdges DDR memory controller HEADQUARTERS 2811 Mission College Blvd., 6th Floor Santa Clara, CA 95054 WWW.SILVACO.COM Rev 051921_03 71182 JAPAN [email protected] KOREA [email protected] TAIWAN [email protected] SINGAPORE [email protected] CHINA [email protected] CALIFORNIA [email protected] MASSACHUSETTS [email protected] TEXAS [email protected] EUROPE [email protected] FRANCE [email protected] For more information, please contact us at [email protected]. ©Copyright Silvaco, Inc. All rights reserved. Silvaco is a registered trademark of Silvaco, Inc. Samsung Foundry is a trademark of Samsung Electronics Co. Ltd. All other names mentioned herein are trademarks or registered trademark of their respective owners. All information provided is for reference purposes only and may be changed without notice. Deliverables • Model and soft macro netlist • Timing DK • DFT model and netlist • CIR, GDS (GDS2) and LEF • Datasheet
![;[PHY× ¹×;kPik;...;[PHY× ¹×;kPik; × ii]DP;kH ×;[PHY¹;kPik;ïDiXYHN;Y¹D]Z ×Æ Ç× Ê ;[PHY× ¹×;kPik;×Pi×;[×;ii]DP;kH×P[×kOH×{hZÔi×"hY;[F]×"yDH¹Ø× Pi](https://static.documents.pub/doc/80x56/6127ed3884808f5f8356de87/phy-kpik-phy-kpik-iidpkh-phykpikdixyhnydz.jpg)
