The S27KS0642GABHM023 is a 64 Mb HyperRAM self-refresh DRAM with HyperBus interface and 8-bit DDR data bus for external memory expansion. It supports 200 MHz clock and up to 400 MBps throughput with linear or wrapped bursts (16/32/64/128 B), plus optional DCARS. Automotive AEC-Q100 Grade 1 (-40 to 125°C). 1.8 V-only VCC/VCCQ (1.7 to 2.0 V), 24-ball FBGA (6 x 8 x 1.0 mm), tape-and-reel.