Comparing FM32xx and FM3227xFM32L27x

Comparing FM32xx and FM3227xFM32L27x
AN-406

Comparing FM32xx and FM3227x/FM32L27x
I2C Processor Companion with F-RAM Devices


DESCRIPTION
The FM32xx and FM3227x/FM32L27x processor companion families are similar in many ways, however
there are a few key differences. The original FM32xx family operates over a wide voltage range, 2.7V to
5.5V. The FM3227x and FM32L27x families are split into 5V and 3V versions, respectively.

The following table shows the new part numbers and the corresponding densities.

Density Original Family New 5V Family New 3V Family
256Kb FM32256-G FM32278-G FM32L278-G
64Kb FM3264-G FM32276-G FM32L276-G
16Kb FM3216-G FM32274-G