For Reference Only
| Part Number | M41T81SMY6E |
| Manufacturer | STMicroelectronics |
| Category | Integrated Circuits (ICs) › Real Time Clocks |
| Description | IC RTC CLK/CALENDAR I2C 18-SOIC |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | M41T81SMY6E PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 07 - Dec 11 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | M41T81SMY6E |
| Brand: | STMicroelectronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Real Time Clocks |
| Manufacturer: | STMicroelectronics |
| Product Status: | Obsolete |
| Type: | Clock/Calendar |
| Features: | Alarm, Leap Year, Square Wave Output, Watchdog Timer |
| Memory Size: | - |
| Time Format: | HH:MM:SS:hh (24 hr) |
| Date Format: | YY-MM-DD-dd |
| Interface: | I²C, 2-Wire Serial |
| Voltage - Supply: | 2.7V ~ 5.5V |
| Voltage - Supply, Battery: | 2V ~ 3.5V |
| Current - Timekeeping (Max): | 100µA @ 2.7V ~ 5.5V |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 18-SOX, 18-SOIC with Crystal (7.5mm Width) |
| Supplier Device Package: | 18-SOX |
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| In Stock | 77724 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.00000 | $0 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
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