S80KS2564GACHI043 is a 256 Mb HYPERRAM™ self-refresh DRAM (PSRAM) with a 1.8 V HYPERBUS™ extended-IO x16 DDR interface. It supports up to 200 MHz clock and up to 800 MBps throughput, with 35 ns maximum access time. Burst read/write current is 20 mA/22 mA at 200 MHz, standby current is 1.55 µA, and it supports Hybrid Sleep and Deep Power Down. It operates from 1.7 V to 2.0 V across -40°C to +85°C in a 49-ball FBGA.