The S27KL0642GABHI023 is a 64 Mb HYPERRAM™ self-refresh PSRAM with a HYPERBUS™ interface (8-bit DQ, RWDS, CS#, RESET#) for high-bandwidth external memory. It operates from 2.7 V to 3.60 V VCC (S27KL 3.0 V-only) and supports up to 200 MHz DDR clock for up to 400 MBps (3,200 Mbps) throughput with 35 ns max access time. Hybrid sleep and deep power-down reduce standby current to 15 µA max.