NOR Flash provides reliable execute-in-place (XIP) code storage for embedded systems — used for firmware storage in MCUs, boot ROM in network equipment, configuration memory in FPGAs, and data logging in industrial controllers. Our NOR Flash inventory spans SPI (single, dual, quad I/O) and parallel interface devices from Winbond (W25Q series), Macronix, Microchip (SST series), Infineon (Cypress), and ISSI, in densities from 512Kbit to 512Mbit, with 1.8V and 3.3V options available.
NOR Flash sourcing presents unique challenges: popular densities (4Mbit, 8Mbit, 16Mbit SPI) face periodic tightening of allocations, and legacy parallel NOR devices for telecom and networking infrastructure are frequently discontinued. Welllinkchips maintains a stock of both current-production and end-of-life NOR Flash, including obsolete devices required by repair depots and long-lifecycle industrial systems.
0
