The S27KS0642GABHV020 is a 64 Mb HYPERRAM™ self-refresh DRAM (PSRAM) using a HYPERBUS™ DDR interface with an 8-bit DQ bus, CS#, RESET#, and RWDS. It runs from 1.7 V to 2.0 V VCC/VCCQ, supports up to 200 MHz clock and 400 MBps throughput, and specifies 35 ns max access time. In a 24-ball FBGA, it is rated Industrial Plus -40°C to 105°C and supports hybrid sleep and deep power-down.