512 Bit (64B X8) Serial Access TIMEKEEPER SRAM The M41T11-MH6E is a serial real-time clock (RTC) manufactured by STMicroelectronics (STM). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Manufacturer:** STMicroelectronics (STM)
- **Part Number:** M41T11-MH6E
- **Type:** Serial Real-Time Clock (RTC)
- **Interface:** I²C (400 kHz)
- **Timekeeping Accuracy:** ±2 ppm (±0.1728 seconds/day) at 25°C
- **Operating Voltage:** 1.3V to 4.4V
- **Backup Supply Voltage:** 1.0V to 4.4V (battery operation)
- **Timekeeping Current:** 350 nA (typical at 3V)
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** SOIC-8
### **Descriptions:**
- The M41T11-MH6E is a low-power serial RTC with an integrated 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 features a built-in power-fail detection circuit and automatic switchover to backup supply.
### **Features:**
- **Battery Backup Operation:** Maintains timekeeping during power loss.
- **Low Power Consumption:** Ultra-low current in timekeeping mode.
- **I²C Interface:** Supports standard (100 kHz) and fast (400 kHz) modes.
- **Alarm Function:** Programmable alarm with interrupt capability.
- **Watchdog Timer:** Configurable timeout period.
- **Power-Fail Detection:** Monitors VCC and switches to backup supply if needed.
- **Small Form Factor:** Available in an SOIC-8 package for space-constrained applications.
This information is based solely on the manufacturer's datasheet and technical documentation.
