The S27KS0642GABHI020 is a 64 Mb HYPERRAM™ self-refresh DRAM (PSRAM) with a HYPERBUS™ DDR interface (8-bit DQ, RWDS, CS#, RESET#) for high-bandwidth scratchpad memory. It supports 1.8 V VCC/VCCQ (1.7–2.0 V), up to 200 MHz clock and 400 MBps transfers, with 35 ns max access time. Linear or wrapped bursts (16–128 B) plus hybrid bursts, HS and deep power-down. 24-ball FBGA, -40°C to +85°C.