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X1226S8 from XICOR

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X1226S8

Manufacturer: XICOR

Real Time Clock/Calendar with EEPROM

Partnumber Manufacturer Quantity Availability
X1226S8 XICOR 4599 In Stock

Description and Introduction

Real Time Clock/Calendar with EEPROM Part Number: **X1226S8**  
Manufacturer: **XICOR**  

### **Specifications:**  
- **Category:** Non-Volatile Memory (EEPROM)  
- **Memory Size:** 2Kb (256 x 8)  
- **Interface:** I²C (Two-Wire Serial Interface)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Write Cycle Endurance:** 1,000,000 cycles  
- **Data Retention:** 100 years  
- **Package:** 8-pin SOIC  

### **Descriptions and Features:**  
- **Real-Time Clock (RTC):** Integrated RTC with alarm functionality.  
- **Battery Backup:** Automatic switch to battery backup when main power fails.  
- **Low Power Consumption:** Optimized for battery-operated applications.  
- **Two-Wire Serial Interface:** Supports standard (100kHz) and fast (400kHz) I²C modes.  
- **Write Protect Feature:** Hardware and software write protection for memory blocks.  
- **Clock Accuracy:** ±5ppm (typical) for precise timekeeping.  
- **Additional Features:**  
  - Power-fail detection  
  - Programmable square wave output  
  - Automatic leap year compensation  

This device is commonly used in applications requiring non-volatile memory with timekeeping functions, such as embedded systems, industrial controls, and consumer electronics.

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