64 Mbit SPI NOR flash for code storage and data logging
The Infineon S25FL064LABBHV030 is a 64 Mbit SPI NOR flash memory from the FL-L series, built for non-volatile code and data storage in embedded systems. It speaks SPI with Quad I/O and QPI support, hitting a 108 MHz clock for fast read throughput — enough to shadow a firmware image into RAM or stream configuration data without stalling the host.
At 108 MHz with Quad I/O, the part can deliver about 54 MB/s read throughput in single-line mode and more with the quad data lines active. That matters when the host MCU boots from external flash or when you are logging sensor data at high sample rates — the bus is not the bottleneck. The QPI mode reduces command overhead by operating the address and data phases on all four lines, which tightens the read latency for random-access patterns.
Industrial temperature and supply — where it lives
If your board runs from a 3.0 V LDO or a battery that sags under load, the 2.7 V floor keeps the flash alive through the dip — no need for a boost converter just to hold the memory.
24-ball BGA footprint — layout notes
The 24-TBGA package measures 6x8 mm with a 0.8 mm ball pitch — standard for a small-footprint serial flash. No exposed pad, so the thermal path is through the balls and vias to the ground plane. MSL 3 parts absorb humidity and can pop during reflow.
For BOM lines that need a second source, the FL-L series includes multiple density and package variants; the base product number S25FL064 covers the 64 Mbit density across the family.