DS1391U-18+
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- Mfr.Part #
- DS1391U-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
- 21
- In Stock ：
- 21
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- Information Access Method :
- SERIAL, 3-WIRE
- ECCN Code :
- EAR99
- Width :
- 3mm
- Terminal Position :
- Dual
- Time Format :
- HH:MM:SS:hh (12/24 hr)
- Pbfree Code :
- yes
- Pin Count :
- 10
- Number of Terminations :
- 10
- Factory Lead Time :
- 6 Weeks
- Date Format :
- YY-MM-DD-dd
- HTS Code :
- 8542.39.00.01
- Terminal Finish :
- Matte Tin (Sn)
- Volatile :
- No
- JESD-609 Code :
- e3
- Interrupt Capability :
- Y
- Logic Function :
- Clock
- Number of Pins :
- 10
- Interface :
- SPI
- Operating Temperature :
- -40°C~85°C
- Supply Voltage :
- 1.8V
- Clock Frequency :
- 0.032MHz
- Current - Timekeeping (Max) :
- 100μA @ 1.71V~1.89V
- Radiation Hardening :
- No
- Length :
- 3mm
- RoHS Status :
- ROHS3 Compliant
- Base Part Number :
- DS1391
- Operating Supply Voltage :
- 1.8V
- Mount :
- Surface Mount
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Voltage - Supply, Battery :
- 1.3V~3.7V
- Packaging :
- Tube
- Feature :
- Alarm, Leap Year, Square Wave Output, Trickle-Charger
- Type :
- Clock/Calendar
- Peak Reflow Temperature (Cel) :
- 260
- Published :
- 2002
- Voltage - Supply :
- 1.71V~1.89V
- Number of Timers :
- 1
- Mounting Type :
- Surface Mount
- Package / Case :
- 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
- Lead Free :
- Lead Free
- Terminal Pitch :
- 0.5mm
- Height Seated (Max) :
- 1.1mm
- Datasheets
- DS1391U-18+
Real Time Clocks Analog Devices, Inc. DS1391U-18+ Overview
The DS1391U-18+ from Analog Devices, Inc. is a high-precision integrated circuit designed for real-time clock and calendar applications, encapsulated in a compact 10-USOP package. This product offers precise timekeeping and calendar functionality with a SPI bus interface, making it an essential component in systems that require reliable time management. The DS1391U-18+ is engineered to meet the stringent demands of modern electronic devices, providing long-term accuracy and low power consumption. Its integration facilities time-stamping for data logging, scheduled operations, and the maintenance of chronological order in event management systems, proving vital for business operations that require meticulous timing accuracy.
DS1391U-18+ Features
The DS1391U-18+ features include a full calendar with seconds, minutes, hours, day, date, month, and year timing, and automatic leap year compensation up to 2100. It supports serial peripheral interface (SPI) communication, facilitating easy integration with microcontroller-based systems. Additionally, the IC is equipped with a digital temperature compensator and a battery backup input, ensuring accurate functioning even under fluctuating operating conditions and power failures. Its compact size and low power requirements make it especially suitable for portable devices.
DS1391U-18+ Applications
- Data Loggers: Implements accurate date and time stamping for events, enhancing reliability and traceability.
- Consumer Electronics: Provides the backbone for timekeeping in devices such as smart watches, digital cameras, and other smart appliances.
- Telecommunications: Used in systems requiring precise time management, such as network time servers and router systems to maintain synchronization.
- Industrial Systems: Critical in the management of time-sensitive operations in manufacturing processes and automation systems.
- Portable Medical Devices: Ensures accurate timekeeping that is crucial for device logs, monitoring systems, and personal medical reminders.
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