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ICM7170IBG from HAR

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ICM7170IBG

Manufacturer: HAR

Microprocessor-Compatible, Real-Time Clock

Partnumber Manufacturer Quantity Availability
ICM7170IBG HAR 843 In Stock

Description and Introduction

Microprocessor-Compatible, Real-Time Clock The ICM7170IBG is a real-time clock (RTC) integrated circuit manufactured by Harris Semiconductor (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
- **HAR** (Harris Semiconductor, now part of Renesas Electronics)  

### **Specifications:**  
- **Type:** Real-Time Clock (RTC) with Alarm  
- **Interface:** Parallel  
- **Supply Voltage:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Timekeeping Accuracy:** ±2 minutes per month at 25°C  
- **Clock Frequency:** 32.768 kHz (crystal-controlled)  
- **Package:** 28-pin PLCC (Plastic Leaded Chip Carrier)  

### **Descriptions:**  
- The ICM7170IBG is a CMOS real-time clock with an integrated alarm function.  
- It provides timekeeping in hours, minutes, seconds, and date (month/day/year) formats.  
- The device includes an on-chip oscillator for use with an external 32.768 kHz crystal.  
- It supports 12-hour or 24-hour time format selection.  

### **Features:**  
- **Battery Backup Capability** (for maintaining timekeeping during power loss).  
- **Programmable Alarm** with interrupt output.  
- **Leap Year Compensation** (automatic adjustment for leap years).  
- **Low Power Consumption** (suitable for battery-operated applications).  
- **Parallel Interface** for easy integration with microcontrollers.  
- **On-Chip Registers** for time, date, and alarm settings.  

This information is based on the available datasheet and technical documentation for the ICM7170IBG.

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