Phase-Tolerant Latency Control for a Combination 512Mb 2.0Gb/s/pin GDDR3 and 2.5Gb/s/pin GDDR4 SDRAM. - Brian Johnson; Brent Keeth; Feng Lin; Hua Zheng (ISSCC, 2007)

A Wide-Range Mixed-Mode DLL for a Combination 512 Mb 2.0 Gb/s/pin GDDR3 and 2.5 Gb/s/pin GDDR4 SDRAM. - Feng Lin; Roman A. Royer; Brian Johnson; Brent Keeth (IEEE J. Solid State Circuits, 2008)

Keynote Address 2: "Hybrid memory cube: Achieving high performance and high reliability". - Brent Keeth (IRPS, 2015)