DS1391U-33+T&R
- Mfr.Part #
- DS1391U-33+T&R
- 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
- 6,000
- In Stock :
- 6,000
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Real Time Clocks
- RoHS Status :
- ROHS3 Compliant
- Package / Case :
- 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
- Radiation Hardening :
- No
- Supplier Device Package :
- 10-uMAX
- Packaging :
- Tape and Reel (TR)
- Min Supply Voltage :
- 2.97V
- Base Part Number :
- DS1391
- Max Operating Temperature :
- 85°C
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Time Format :
- HH:MM:SS:hh (12/24 hr)
- Mount :
- Surface Mount
- Factory Lead Time :
- 6 Weeks
- Type :
- Clock/Calendar
- Date Format :
- YY-MM-DD-dd
- Mounting Type :
- Surface Mount
- Published :
- 2002
- Lead Free :
- Lead Free
- Interface :
- SPI
- Current - Timekeeping (Max) :
- 175μA @ 2.97V~5.5V
- Voltage - Supply :
- 2.97V~5.5V
- Operating Temperature :
- -40°C~85°C
- Number of Pins :
- 10
- Max Supply Voltage :
- 5.5V
- Operating Supply Voltage :
- 3.3V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Min Operating Temperature :
- -40°C
- Feature :
- Alarm, Leap Year, Square Wave Output, Trickle-Charger
- Logic Function :
- Clock
- Datasheets
- DS1391U-33+T&R

Real Time Clocks Analog Devices, Inc. DS1391U-33+T&R Overview
The DS1391U-33+T&R by Analog Devices, Inc. is a high-performance integrated circuit designed for sophisticated timekeeping applications. This real-time clock (RTC) module offers a seamless integration with microcontrollers via its SPI interface, making it an ideal choice for systems requiring reliable time management. It features a full clock and calendar functionality with a precision that ensures accuracy and stability in time-sensitive applications. The compact 10-USOP package of the DS1391U-33+T&R makes it suitable for space-constrained applications while providing robust performance and minimal power consumption.
DS1391U-33+T&R Features
- SPI Bus interface for simple integration with most microcontrollers
- Accurate clock and calendar functionality
- Low power consumption suitable for battery-operated devices
- Compact 10-USOP packaging suitable for space-limited applications
- Automatic leap year compensation
DS1391U-33+T&R Applications
- Consumer Electronics
Ideal for use in devices such as smart watches, digital cameras, and other portable gadgets where maintaining accurate time is crucial. - Industrial Systems
Utilized in logging and time-stamping devices in factory automation and process control systems to ensure synchronized operations. - Telecommunication
Serves in network time servers, routers, and switches to provide time-based control and logging functionalities. - Healthcare Devices
Applies to medical monitoring systems requiring precise time-stamping of events for better accuracy in patient care management. - Automotive
Integrated into vehicle telematics systems to provide accurate timestamping for event data recording and navigation systems.
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