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M41T93RQA6F from ST,ST Microelectronics

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M41T93RQA6F

Manufacturer: ST

Serial SPI bus real-time clock (RTC) with battery switchover

Partnumber Manufacturer Quantity Availability
M41T93RQA6F ST 1 In Stock

Description and Introduction

Serial SPI bus real-time clock (RTC) with battery switchover The M41T93RQA6F is a serial real-time clock (RTC) manufactured by STMicroelectronics. Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics (ST)  

### **Specifications:**  
- **Interface:** I²C (400 kHz)  
- **Operating Voltage:** 1.3V to 4.4V  
- **Timekeeping Current:** 400nA (typical at 3V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (150 mil)  
- **Clock Accuracy:** ±5 ppm (±0.432 seconds/day) at 25°C  

### **Descriptions:**  
- Low-power serial RTC with a built-in 32.768 kHz oscillator.  
- Provides seconds, minutes, hours, day, date, month, and year information with leap-year compensation.  
- Battery backup switchover for continuous timekeeping.  
- Programmable alarm and timer functions.  

### **Features:**  
- **Battery Backup:** Automatic switchover to battery when main power fails.  
- **Low Power Consumption:** Ultra-low standby current for extended battery life.  
- **I²C Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.  
- **Alarm Function:** Configurable alarm with interrupt output.  
- **Power Management:** Includes a power-fail detection circuit.  
- **Tamper Detection:** Optional feature for security applications.  

This information is based solely on the manufacturer's datasheet and specifications.

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