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M41T94MH6E from STM,ST Microelectronics

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M41T94MH6E

Manufacturer: STM

512 Bit (64 bit X8) Serial RTC (SPI) SRAM

Partnumber Manufacturer Quantity Availability
M41T94MH6E STM 39 In Stock

Description and Introduction

512 Bit (64 bit X8) Serial RTC (SPI) SRAM The M41T94MH6E is a serial real-time clock (RTC) manufactured by STMicroelectronics (STM). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Interface:** I²C (400 kHz)
- **Supply Voltage:** 2.0V to 5.5V
- **Operating Temperature Range:** -40°C to +85°C
- **Timekeeping Current:** 400nA (typical at 3V)
- **Clock Accuracy:** ±5 ppm (±0.432 seconds/day) at 25°C
- **Package:** SOIC-8

### **Descriptions:**
- The M41T94MH6E is a low-power serial RTC with a built-in 32.768 kHz oscillator.
- It provides timekeeping functions, including seconds, minutes, hours, day, date, month, and year (with leap year compensation up to 2099).
- Includes a power-fail detection circuit and automatic switchover to backup supply.

### **Features:**
- **Battery Backup:** Operates from a backup supply when main power fails.
- **Alarm Function:** Programmable alarm with interrupt capability.
- **Watchdog Timer:** Configurable watchdog timer for system monitoring.
- **Square Wave Output:** Programmable frequency output (32.768 kHz to 1 Hz).
- **Low Power Consumption:** Ultra-low standby current for battery-powered applications.
- **Tamper Detection:** Optional timestamp feature for power-up/power-down events.

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

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