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M41T11 from ST,ST Microelectronics

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M41T11

Manufacturer: ST

512 BIT (64B X 8) SERIAL ACCESS TIMEKEEPER SRAM

Partnumber Manufacturer Quantity Availability
M41T11 ST 200 In Stock

Description and Introduction

512 BIT (64B X 8) SERIAL ACCESS TIMEKEEPER SRAM The M41T11 is a serial real-time clock (RTC) manufactured by STMicroelectronics. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Interface:** I²C (Inter-Integrated Circuit)  
- **Supply Voltage:** 2.7V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Clock Accuracy:** ±2 ppm at 25°C (typical)  
- **Timekeeping Current:** 400 nA (typical at 3V)  
- **Package Options:** 8-pin SOIC (150 mil)  

### **Descriptions:**  
- The M41T11 is a low-power serial real-time clock with a built-in 32.768 kHz oscillator.  
- It provides seconds, minutes, hours, day, date, month, and year information with automatic leap-year compensation.  
- The device includes a programmable alarm and watchdog timer.  
- It has a built-in power-sense circuit that detects power failures and automatically switches to battery backup.  

### **Features:**  
- **Low Power Consumption:** Ultra-low battery current for extended backup operation.  
- **I²C Bus Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.  
- **Battery Backup:** Operates from a backup supply when main power is lost.  
- **Programmable Alarm:** Can trigger an interrupt or reset.  
- **Watchdog Timer:** Configurable timeout period.  
- **Power-Fail Detection:** Monitors VCC and switches to battery backup seamlessly.  
- **Industrial Temperature Range:** Suitable for harsh environments.  

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

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