S27KL0642DPBHI033 is a 64 Mb HYPERRAM™ self-refresh DRAM (PSRAM) with a HYPERBUS™ interface for high-bandwidth memory expansion in embedded systems. It supports a 1.8 V or 3.0 V interface (VCC 1.7–2.0 V or 2.7–3.60 V), DDR transfers, and up to 200 MHz clock with 35 ns max access time. The DCARS option, wrapped or linear bursts, Hybrid Sleep, and deep power-down down to 12 µA are supported.