DS1339U-33+T&R I2C Serial Real-Time Clock

The DS1339U-33+T&R is a complete I2C serial real-time clock that manages all timekeeping functions with high precision and reliability.

• Completely manages all timekeeping functions
• Real-time clock counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap-year compensation valid up to 2100
• Two time-of-day alarms
• Programmable square-wave output
• Oscillator stop flag
• Interfaces to most microcontrollers
• I2C serial interface
• Low-power operation extends battery backup run time
• Automatic power-fail detect and switch circuitry
• Trickle-charge capability
• Underwriters Laboratories® (UL) recognized
• Surface-mount package with integrated crystal (DS1339C saves additional space and simplifies design)

Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.

How to obtain the price?
We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.

What is your delivery time?
Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.

What are your payment terms?
Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.

What are the shipping options?
Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.