FM24CL16B-GTR
Infineon/Cypress Semicon
Needs validationhigh risk
FM24CL16B-GTR is a same-size SOIC-8 F-RAM option only for I2C redesigns.
Best Alternatives to FM25L16B-GTR
FM25L16B-GTR is a 16Kbit SPI F-RAM in SOIC-8. Listed candidates require review; no pin-compatible replacement is proven here.
AI replacement insight
Electrical riskhigh
SPI vs I2C changes bus behavior.
Package riskmedium
SOIC-8 matches, pinout unverified.
Firmware riskhigh
Driver and protocol must change.
Sourcing risklow
Kept candidate is catalog indexed.
Can it be replaced directly?
No direct pin-compatible replacement is proven from the provided candidates.
Best replacement path
Use FM24CL16B-GTR only for an I2C redesign, not as a drop-in SPI replacement.
Main risk
Interface and pinout mismatch.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | FM25L16B-GTR | FM24CL16B-GTR | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOIC-8 | SOIC-8 | SOIC-8 — same package name | ||
| Pinout | SPI SOIC-8 | I2C SOIC-8 | I2C SOIC-8 — pin functions differ likely | ||
| Interface | SPI 20MHz | I2C 1MHz | I2C 1MHz — firmware redesign | ||
| Voltage | 2.7-3.6V | 2.7-3.65V | 2.7-3.65V — range covers target | ||
| Temperature | -40 to 85C | -40 to 85C | -40 to 85C — same range |
Application & sourcing insights
Questions & answers
From the provided list, FM24CL16B-GTR is the closest by size and voltage, but it is I2C, not SPI.