| 型号 | 电压 | 接口 | 容量 | RTC | RTC报警 | 低压复位 | 看门狗 | 掉电检测 | SN | 封装 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| FM33xx系列 | FM33256 | 3V | SPI | 256K | √ | √ | √ | √ | √ | √ | SOIC14 |
| FM3316 | 3V | SPI | 16K | √ | √ | √ | √ | √ | √ | SOIC14 | |
| FM31xx系列 | FM3130 | 3V | I2C | 64K | √ | √ | SOIC8 | ||||
| FM3135 | 3V | I2C | 64K | √ | √ | SOIC20 | |||||
| FM31256 | 3-5V | I2C | 256K | √ | √ | √ | √ | √ | SOIC14 | ||
| FM3164 | 3-5V | I2C | 64K | √ | √ | √ | √ | √ | SOIC14 | ||
| FM3116 | 3-5V | I2C | 16K | √ | √ | √ | √ | √ | SOIC14 | ||
| FM3104 | 3-5V | I2C | 4K | √ | √ | √ | √ | √ | SOIC14 | ||
| FM32xx系列 | FM3216 | 3-5V | I2C | 16K | √ | √ | √ | √ | SOIC14 | ||
| FM3204 | 3-5V | I2C | 4K | √ | √ | √ | √ | SOIC14 | |||