Product Details
| GENERAL DESCRIPTION The DS1339 serial real-time clock (RTC) is a low power clock/date device with two programmable timeof-day alarms and a programmable square-wave output. Address and data are transferred serially through an I2C bus. The clock/date provides seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. FEATURES ■ Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100 ■ Available in a Surface-Mount Package with an Integrated Crystal (DS1339C) ■ I2C Serial Interface ■ Two Time-of-Day Alarms ■ Programmable Square-Wave Output ■ Oscillator Stop Flag ■ Automatic Power-Fail Detect and Switch Circuitry ■ Trickle-Charge Capability ■ Underwriters Laboratories (UL) Recognized APPLICATIONS 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) Other (Utility Meter, Vending Machine, Thermostat, Modem) |
Product Description
| Type | Description |
| ANSC PART# | ANSC- DS1339C-33#T&R |
| Category | Integrated Circuits (ICs) |
| Clock/Timing | |
| Real Time Clocks | |
| Manufacturer | Original |
| Series | - |
| Packaging | Tape & Reel (TR) |
| Cut Tape (CT) | |
| / | |
| Part Status | Active |
| DigiKey Programmable | Not Verified |
| Type | Clock/Calendar |
| Features | Alarm, Leap Year, Square Wave Output, Trickle-Charger |
| Memory Size | - |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | I2C, 2-Wire Serial |
| Voltage - Supply | 2.97V ~ 5.5V |
| Voltage - Supply, Battery | 1.3V ~ 3.7V |
| Current - Timekeeping (Max) | 200µA @ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 16-SOIC |
| Base Product Number | DS1339 |
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Product datasheet
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