The STMicroelectronics M24C08-FMN6TP is an 8Kbit serial EEPROM with an I²C interface, organized as 1K x 8 bits. It stores configuration data, calibration constants, firmware parameters, or small logs in embedded systems where non-volatile storage is needed and a full Flash memory is overkill.
900 ns access and 5 ms write — timing budget for firmware
Access time is 900 ns, and the I²C bus runs at 400 kHz. That 900 ns is the time from address match to first data bit appearing on SDA — fast enough that firmware can poll the ACK without a dedicated delay loop. The 5 ms write cycle time per word or page is the industry standard for this density; after a write command, the part stops acknowledging until the internal programming finishes. A simple polling loop checking for ACK on the next start condition is the cleanest way to handle it — no timer needed.
Package: 8-SOIC — will it survive the hot air?
The M24C08-FMN6TP comes in an 8-SOIC package, 150-mil body width (3.90 mm). That's a hand-rework-friendly footprint: easy to remove with hot air at 300 °C, easy to align and reflow back. The 1.27 mm lead pitch gives plenty of room for a fine-tip iron if you prefer soldering.
That covers outdoor telecom cabinets, factory-floor sensors, motor drives, and engine-bay-adjacent electronics. Not qualified to AEC-Q100 (no automotive-grade marking in the listing), so for under-hood or chassis-domain automotive use, look at the AEC-qualified variants in the M24C08 family. For everything else, this temperature grade is the safe choice.
