S25HL01GTFABHI033 is a 1 Gbit SEMPER™ NOR flash in the HL‑T family for code and data storage over Quad SPI. It operates from 2.7 V to 3.6 V across -40°C to 85°C (industrial). Quad I/O read supports up to 166 MHz SDR or 102 MHz DDR for 102 MByte/s bandwidth. Built-in ECC (SECDED), data integrity CRC, Endurance Flex wear leveling, SafeBoot/AutoBoot, and 1024-byte OTP SSR support reliable boot and update use cases.