S70KL1283DPBHB023 is a 128 Mb HYPERRAM™ self-refresh DRAM (PSRAM) for external RAM expansion via an Octal xSPI interface with DDR transfers up to 200 MHz clock (400 MBps), 35 ns tACC, and an 8-bit DQ bus with RWDS. It operates from 2.7 V to 3.6 V VCC over -40°C to +105°C (AEC-Q100 Grade 2) in a 24-ball FBGA package, supporting configurable bursts, Deep Power Down, and Hybrid Sleep.