For Reference Only
| Part Number | DS1391U-18+ |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Category | Integrated Circuits (ICs) › Real Time Clocks |
| Description | IC RTC CLK/CALENDAR SPI 10-USOP |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | DS1391U-18+ PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 06 - Dec 10 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | DS1391U-18+ |
| Brand: | Analog Devices Inc./Maxim Integrated |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Real Time Clocks |
| Manufacturer: | Analog Devices Inc./Maxim Integrated |
| Product Status: | Active |
| Type: | Clock/Calendar |
| Features: | Alarm, Leap Year, Square Wave Output, Trickle-Charger |
| Memory Size: | - |
| Time Format: | HH:MM:SS:hh (12/24 hr) |
| Date Format: | YY-MM-DD-dd |
| Interface: | SPI |
| Voltage - Supply: | 1.71V ~ 1.89V |
| Voltage - Supply, Battery: | 1.3V ~ 3.7V |
| Current - Timekeeping (Max): | 100µA @ 1.71V ~ 1.89V |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package: | 10-uMAX/uSOP |
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| In Stock | 18715 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $3.82000 | $3.82 |
| 10 | $3.42700 | $34.27 |
| 50 | $3.24000 | $162 |
| 100 | $2.80800 | $280.8 |
| 250 | $2.66400 | $666 |
| 500 | $2.39040 | $1195.2 |
| 1000 | $2.01600 | $2016 |
| 2500 | $1.91520 | $4788 |
| 5000 | $1.84320 | $9216 |
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
Please feel free to contact us for details.