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X1228S14-2.7

Real Time Clock/Calendar/CPU Supervisor with EEPROM

Partnumber Manufacturer Quantity Availability
X1228S14-2.7,X1228S1427 854 In Stock

Description and Introduction

Real Time Clock/Calendar/CPU Supervisor with EEPROM The part **X1228S14-2.7** is a **Real-Time Clock (RTC)** IC manufactured by **Maxim Integrated (now part of Analog Devices)**. Below are its key specifications, descriptions, and features:  

### **Manufacturer Specifications:**  
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Series:** X1228  
- **Part Number:** X1228S14-2.7  

### **Descriptions:**  
- **Type:** Real-Time Clock (RTC) with EEPROM  
- **Package:** 14-SOIC (Small Outline Integrated Circuit)  
- **Voltage - Supply:** **2.7V to 5.5V** (operating range)  
- **Clock Accuracy:** ±2ppm (at 25°C)  
- **Interface:** **I²C (2-wire serial interface)**  
- **Memory:** **512 bytes of EEPROM** (non-volatile storage)  
- **Timekeeping:** Tracks **seconds, minutes, hours, day, date, month, and year** (with leap year compensation)  
- **Alarms:** Two programmable alarms  
- **Battery Backup:** Supports external battery backup for continuous timekeeping  

### **Features:**  
- **Low Power Consumption:** Optimized for battery-powered applications  
- **Automatic Power-Fail Detection:** Switches to backup supply when main power fails  
- **Programmable Square-Wave Output:** Configurable frequency output  
- **Industrial Temperature Range:** **-40°C to +85°C**  
- **Tamper Detection:** Monitors power supply for glitches  
- **EEPROM Write Protection:** Prevents accidental data corruption  

This part is commonly used in embedded systems, industrial controls, and consumer electronics requiring accurate timekeeping with non-volatile memory.

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