| 型号 | 电压 | 接口 | 容量 | RTC | RTC报警 | 低压复位 | 看门狗 | 掉电检测 | SN | 电池转换 | 事件检测 | 封装 |
| FM33256 | 3V | SPI | 256Kb | Count | SOIC14 | |||||||
| FM3316 | 3V | SPI | 16Kb | Count | SOIC14 |
| 型号 | 电压 | 接口 | 容量 | RTC | RTC报警 | 低压复位 | 看门狗 | 掉电检测 | SN | 电池转换 | 事件检测 | 封装 |
| FM31L278 | 3V | I2C | 256Kb | Count | SOIC14 | |||||||
| FM31L276 | 3V | I2C | 64Kb | Count | SOIC14 | |||||||
| FM31L274 | 3V | I2C | 16Kb | Count | SOIC14 | |||||||
| FM31L272 | 3V | I2C | 4Kb | Count | SOIC14 | |||||||
| FM31278 | 5V | I2C | 256Kb | Count | SOIC14 | |||||||
| FM31276 | 5V | I2C | 64Kb | Count | SOIC14 | |||||||
| FM31274 | 5V | I2C | 16Kb | Count | SOIC14 | |||||||
| FM31272 | 5V | I2C | 4Kb | Count | SOIC14 | |||||||
| FM3130 | 3V | I2C | 64Kb | N/A | SOIC8 or DFN8 | |||||||
| FM3135 w/Xtal(EOL) | 3V | I2C | 64Kb | N/A | SOIC20 | |||||||
| FM32L278 | 3V | I2C | 256Kb | Count | SOIC14 | |||||||
| FM32L276 | 3V | I2C | 64Kb | Count | SOIC14 | |||||||
| FM32L274 | 3V | I2C | 16Kb | Count | SOIC14 | |||||||
| FM32L272 | 3V | I2C | 4Kb | Count | SOIC14 | |||||||
| FM32278 | 5V | I2C | 256Kb | Count | SOIC14 | |||||||
| FM32276 | 5V | I2C | 64Kb | Count | SOIC14 | |||||||
| FM32274 | 5V | I2C | 16Kb | Count | SOIC14 | |||||||
| FM32272 | 5V | I2C | 4Kb | Count | SOIC14 | |||||||
| FM4005 (NRND) | 3-5V | I2C | 0Kb | Count | SOIC14 | |||||||
| FM31256 | 3-5V | I2C | 256Kb | Count | SOIC14 | |||||||
| FM3164 | 3-5V | I2C | 64Kb | Count | SOIC14 | |||||||
| FM3116 | 3-5V | I2C | 16Kb | Count | SOIC14 | |||||||
| FM3104 | 3-5V | I2C | 4Kb | Count | SOIC14 | |||||||
| FM32256 | 3-5V | I2C | 256Kb | Count | SOIC14 | |||||||
| FM3264 | 3-5V | I2C | 64Kb | Count | SOIC14 | |||||||
| FM3216 | 3-5V | I2C | 16Kb | Count | SOIC14 | |||||||
| FM3204 | 3-5V | I2C | 4Kb | Count | SOIC14 | |||||||
| FM30C256 (NRND) | 5V | I2C | 256Kb | SOIC14 |