| X1227S8 | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin SOIC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| X1227S8-2.7 | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin SOIC package. Operational temperature range from -40°C to 84°C. | Datasheet*) |
| X1227S8-2.7A | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin SOIC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| X1227S8-4.5A | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin SOIC package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| X1227S8I | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin SOIC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| X1227S8I-2.7 | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin SOIC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| X1227S8I-4.5A | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin SOIC package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| X1227V8 | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin TSOP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| X1227V8-2.7 | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin TSOP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| X1227V8-2.7A | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin TSOP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| X1227V8-4.5A | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin TSOP package. Operational temperature range from 0°C to 70°C. | Datasheet*) |
| X1227V8I | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin TSOP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| X1227V8I-2.7 | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin TSOP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| X1227V8I-2.7A | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin TSOP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| X1227V8I-4.5A | Real time clock/calendar/CPU supervisor with EEPROM in 8-pin TSOP package. Operational temperature range from -40°C to 85°C. | Datasheet*) |
| X1227 | Real Time Clock/Calendar/CPU Supervisor with EEPROM | Datasheet*) |
| X1227S8I-2.7A | Real Time Clock/Calendar/CPU Supervisor with EEPROM | Datasheet*) |
