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M41ST87YMX6 from ST,ST Microelectronics

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M41ST87YMX6

Manufacturer: ST

5.0, 3.3, OR 3.0V, 1280 Bit (160 X8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection

Partnumber Manufacturer Quantity Availability
M41ST87YMX6 ST 1340 In Stock

Description and Introduction

5.0, 3.3, OR 3.0V, 1280 Bit (160 X8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection The M41ST87YMX6 is a serial real-time clock (RTC) manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Interface:** I²C (400 kHz)
- **Operating Voltage:** 2.0V to 5.5V  
- **Timekeeping Current:** 400nA (typical at 3V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**
- The M41ST87YMX6 is a low-power serial RTC with an integrated 32.768 kHz oscillator.
- It provides accurate timekeeping with seconds, minutes, hours, day, date, month, and year (including leap year correction up to 2099).
- Features a built-in power-fail detection circuit and automatic switchover to battery backup.

### **Features:**
- **Timekeeping Functions:** Seconds, minutes, hours, day, date, month, year (BCD format).
- **Alarm Function:** Programmable alarm with interrupt output.
- **Battery Backup:** Automatic switchover to an external battery when primary power fails.
- **Low Power Consumption:** Ultra-low standby current for extended battery life.
- **Tamper Detection:** Monitors VCC for power failures.
- **I²C Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.
- **Industrial Temperature Range:** Suitable for harsh environments.

This device is commonly used in embedded systems, industrial applications, and consumer electronics requiring accurate timekeeping.

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