Product Summary

The DS1339U-33+ belongs to DS1339 serial which is a real-time clock (RTC). It is a low power clock/date device with two programmable timeof-day alarms and a programmable square-wave output. The DS1339U-33+ is widely used in handhelds (GPS, POS Terminals); consumer Electronics (Set-Top Box, Digital Recording, Network Appliance); office Equipment (Fax/Printers, Copier); medical (Glucometer, Medicine Dispenser); telecommunications(Routers, Switches, Servers), etc.

Parametrics

DS1339U-33+ absolute maximum ratings: (1)Voltage Range on Any Pin Relative to Ground: -0.3V to +6.0V; (2)Operating Temperature Range (Noncondensing): -40℃ to +85℃; (3)Storage Temperature Range: -55℃ to +125℃; (4)Soldering Temperature Range: See precautions in the Handling, PCB Layout, and Assembly section.

Features

DS1339U-33+ features: (1)Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap-Year Compensation Valid Up to 2100; (2)Available in a Surface-Mount Package with an Integrated Crystal (DS1339C); (3)I2C Serial Interface; (4)Two Time-of-Day Alarms; (5)Programmable Square-Wave Output; (6)Oscillator Stop Flag; (7)Automatic Power-Fail Detect and Switch Circuitry; (8)Trickle-Charge Capability; (9)Underwriters Laboratory (UL) Recognized.

Diagrams

DS1339U-33+ block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
DS1339U-33+
DS1339U-33+
Maxim Integrated Products
Real Time Clock I2C Serial RTC
Data Sheet
0-1: $2.18
1-25: $1.46
25-50: $1.06
50-100: $1.04
DS1339U-33+T&R
DS1339U-33+T&R
Maxim Integrated Products
Real Time Clock I2C Serial RTC
Data Sheet
0-1: $1.99
1-25: $1.48
25-50: $1.45
50-100: $1.27