S27KS0642GABHV023 is a 64 Mb HYPERRAM™ self-refresh DRAM (PSRAM) for HYPERBUS™ memory expansion, using an 8-bit DDR DQ bus plus RWDS and CS#. It supports single-ended or differential clocking up to 200 MHz (400 MBps) with 35 ns max access time. The 1.8 V-only device runs from 1.7 V to 2.0 V and offers hybrid sleep and deep power-down for standby savings. Package is 24-ball FBGA, 1.00 mm pitch.