S70KL1282DPBHV020 is a 128 Mb HYPERRAM self-refresh DRAM (PSRAM) with a HYPERBUS slave interface for external memory expansion. It runs from 1.7 V to 2.0 V or 2.7 V to 3.60 V and supports up to 200 MHz DDR transfers on an 8-bit bus for sustained throughput up to 400 MBps. RWDS indicates refresh latency, read strobe, and write mask; supports linear or wrapped bursts and deep power-down.