The S27KL0642DPBHI030 is a 64 Mb HYPERRAM™ self-refresh DRAM (PSRAM) with HYPERBUS™ DDR interface, CS#, RWDS, and 8-bit DQ bus for host memory expansion. It runs from 1.8 V or 3.0 V supplies (VCC 1.7–2.0 V or 2.7–3.6 V), supports clocks up to 200 MHz for up to 400 MBps throughput, and has 35 ns max access time. Hybrid sleep and deep power-down reduce standby to 12–15 µA. 24-ball FBGA.