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ISL1209IU10 from INTERSIL

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ISL1209IU10

Manufacturer: INTERSIL

Low Power RTC with Battery Backed SRAM and Event Detection

Partnumber Manufacturer Quantity Availability
ISL1209IU10 INTERSIL 120 In Stock

Description and Introduction

Low Power RTC with Battery Backed SRAM and Event Detection The ISL1209IU10 is a real-time clock (RTC) device manufactured by **INTERSIL** (now part of Renesas Electronics).  

### **Specifications:**  
- **Part Number:** ISL1209IU10  
- **Manufacturer:** INTERSIL  
- **Type:** Real-Time Clock (RTC) with Battery Backup  
- **Package:** 8-TSSOP  
- **Interface:** I²C  
- **Supply Voltage:** 2.7V to 5.5V  
- **Backup Battery Voltage:** 1.8V to 5.5V  
- **Clock Accuracy:** ±5ppm (at 25°C)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Timekeeping Current:** 400nA (typical)  
- **EEPROM:** 128 bytes of non-volatile memory  

### **Descriptions:**  
The ISL1209IU10 is a low-power RTC with an integrated oscillator and automatic battery backup. It provides accurate timekeeping with I²C interface support and includes an alarm function.  

### **Features:**  
- **Battery Backup:** Automatic switchover to battery power when main power fails.  
- **Low Power Consumption:** Ultra-low standby current for extended battery life.  
- **I²C Interface:** Supports standard (100kHz) and fast (400kHz) modes.  
- **Alarm Function:** Programmable alarm with interrupt output.  
- **128-Byte EEPROM:** Non-volatile memory for user data storage.  
- **Oscillator Compensation:** Adjustable for improved accuracy.  
- **Leap Year Compensation:** Valid up to the year 2099.  

This information is based on the manufacturer's datasheet for the ISL1209IU10.

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