DS1390U-18+
- Mfr.Part #
- DS1390U-18+
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR SPI 10-USOP
- Stock
- 100
- In Stock :
- 100
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Terminal Position :
- Dual
- Current - Timekeeping (Max) :
- 100μA @ 1.71V~1.89V
- ECCN Code :
- EAR99
- Radiation Hardening :
- No
- Volatile :
- No
- Lead Free :
- Lead Free
- Mount :
- Surface Mount
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Supply Voltage :
- 1.8V
- Packaging :
- Tube
- Mounting Type :
- Surface Mount
- Type :
- Clock/Calendar
- Interrupt Capability :
- Y
- Package / Case :
- 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
- Terminal Pitch :
- 0.5mm
- Factory Lead Time :
- 6 Weeks
- JESD-609 Code :
- e3
- Base Part Number :
- DS1390
- Pbfree Code :
- yes
- RoHS Status :
- ROHS3 Compliant
- Feature :
- Alarm, Leap Year, Square Wave Output, Trickle-Charger
- Number of Terminations :
- 10
- Length :
- 3mm
- HTS Code :
- 8542.39.00.01
- Published :
- 2002
- Width :
- 3mm
- Clock Frequency :
- 0.032MHz
- Logic Function :
- Clock
- Voltage - Supply :
- 1.71V~1.89V
- Voltage - Supply, Battery :
- 1.3V~3.7V
- Height Seated (Max) :
- 1.1mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Interface :
- SPI
- Information Access Method :
- SERIAL, 3-WIRE
- Time Format :
- HH:MM:SS:hh (12/24 hr)
- Operating Supply Voltage :
- 1.8V
- Terminal Finish :
- Matte Tin (Sn)
- Peak Reflow Temperature (Cel) :
- 260
- Operating Temperature :
- -40°C~85°C
- Number of Pins :
- 10
- Number of Timers :
- 1
- Pin Count :
- 10
- Date Format :
- YY-MM-DD-dd
- Datasheets
- DS1390U-18+

Real Time Clocks Analog Devices, Inc. DS1390U-18+ Overview
The Real Time Clocks Analog Devices, Inc. DS1390U-18+ is a highly integrated, feature-rich real-time clock/calendar optimized for low power consumption and stable performance. Designed by Analog Devices, this device offers precise time and date tracking with SPI communication in a compact 10-USOP package. Its ability to maintain accurate time with minimal power usage makes it ideal for advanced embedded systems where reliability and efficiency are critical. The integration of a programmable alarm and timer functions allows for enhanced scheduling capabilities, making it a perfect choice for developers looking to add robust timekeeping features to their applications.
DS1390U-18+ Features
- SPI Interface for simple integration into existing designs.
- Accurate clock/calendar functionality with leap year compensation.
- Low power consumption ideal for battery-operated devices.
- Programmable alarms and timer functions to facilitate complex time-based scheduling and tasks.
- Small form factor (10-USOP package) suitable for space-constrained applications.
DS1390U-18+ Applications
- Consumer Electronics: Utilized in devices like smartwatches and home automation systems, where accurate timekeeping is crucial.
- Telecommunication Systems: Employed in network routers and switches to manage logs and time-stamping for data accuracy and security.
- Automotive Systems: Incorporated in telematics systems to provide time-based functionality and logging capabilities.
- Industrial Systems: Used in time-sensitive control systems for process automation and monitoring.
- Portable Medical Devices: Essential for ensuring the precise timing in devices such as wearable health monitors and medical alert systems.
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