FM25CL64B-GTR
Infineon/Cypress Semicon
Needs validationhigh risk
FM25CL64B-GTR is a same-size F-RAM option only for SPI redesigns.
Best Alternatives to FM24CL64B-GTR
FM24CL64B-GTR is a 64 Kbit I2C F-RAM in SOIC-8. The only kept catalog option needs SPI redesign review.
AI replacement insight
Electrical riskmedium
voltage matches on kept candidate
Package riskmedium
SOIC-8 stated, dimensions unchecked
Firmware riskhigh
I2C to SPI change
Sourcing risklow
kept candidate is active
Can it be replaced directly?
No verified pin-compatible replacement was found in the provided candidates.
Best replacement path
Use another 64 Kbit I2C F-RAM with verified SOIC-8 pinout; FM25CL64B-GTR is only for SPI redesign.
Main risk
Interface and pinout mismatch.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | FM24CL64B-GTR | FM25CL64B-GTR | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Application | 64 Kbit I2C F-RAM | 64 Kbit SPI F-RAM | 64 Kbit SPI F-RAM — same memory role, different bus | ||
| Interface | I2C, 1 MHz | SPI, 20 MHz | SPI, 20 MHz — not firmware compatible | ||
| Package | 8-pin SOIC | 8-pin SOIC | 8-pin SOIC — mechanical details still needed | ||
| Voltage | 2.7 V to 3.65 V | 2.7 V to 3.65 V | 2.7 V to 3.65 V — same stated range | ||
| Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C — same stated range | ||
| Pinout | I2C SOIC-8 | SPI SOIC-8 | SPI SOIC-8 — pin functions likely differ |
Application & sourcing insights
Questions & answers
From the provided list, no direct alternative is verified. FM25CL64B-GTR is only a redesign option.