DS1339BU+ by Analog Devices
Low-Current, I2C, Serial Real-Time Clock for High-ESR Crystals
| Status: | Active |
|---|---|
| Series: | DS1339B |
| RoHS: | Unknown |
Where to Buy
Prices starting from US$1.99
Features
| Drop-In Replacement for DS1339 |
| Supports High-ESR Crystals Up to 100kΩ to Allow Crystals to be Optimized for Cost and Space |
| 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 2200 Two Time-of-Day Alarms Programmable Square-Wave Output Signal |
| 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 2200 |
| Two Time-of-Day Alarms |
| Programmable Square-Wave Output Signal |
| Low-Power Operation Extends Battery Backup Run Time Automatic Power-Fail Detect and Switch Circuitry |
| Automatic Power-Fail Detect and Switch Circuitry |
| Simple Serial Port Interfaces to Most Microcontrollers I2C Serial Interface |
| I2C Serial Interface |
| Underwriters Laboratories (UL®) Recognized |
Specifications
| Interface | I2C |
|---|---|
| VSUPPLY (V) | 1.71 to 5.5 |
| Date/ Time Format (hh = sec/100) | YY-MM-DD/ HH:MM:SS |
| Time Keeping Current (nA) (typ) | 300 |
| CL (pF) | 6 |
| Memory Type | None |
| Time of Day Alarms | 2 |
| Package/Pins | UMAX/8 |
| BudgetaryPrice (See Notes) | 2.05 |
DS1339BU+ Semiconductors - ICs by Analog Devices
RTC D-D-M-Y HH:MM:SS USOP-8
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Date Format | Day |
|---|---|
| Clock Format | HH |
| Clock IC Type | RTC |
| Supply Voltage Min | 1.71V |
| Supply Voltage Max | 5.5V |
| Clock IC Case Style | µSOP |
| No. of Pins | 8Pins |
| IC Interface Type | I2C |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | To Be Advised |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
Alternative Descriptions
| SERIAL RTC 1.8-3.3V HESR USOP | Analog Devices |
| Rtc, D-D-M-Y, Hh:Mm:Ss, Usop-8 | Newark Electronics |
| RTC, D-D-M-Y, HH:MM:SS, USOP-8 | element14 |
| RTC, D-D-M-Y, HH: MM: SS, USOP-8 | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a DS1339BU+ ?
Additional datasheets, footprints and schematics for DS1339BU+ are listed on our Part Details page. You can also find images and similar parts to DS1339BU+ on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for DS1339BU+ on our Product Comparison page. Access via the 'View Pricing & Stock' button to view DS1339BU+ price breaks, MOQs, lead times, inventory and SKUs from distributors.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the DS1339BU+ you can contact the distributor directly for product support, shipping queries etc.
Is the DS1339BU+ RoHS compliant?
This part has not been flagged as RoHS Compliant.
Which authorised distributors for DS1339BU+ have stock available?
Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and Chip One Stop have stock available or on a lead time for DS1339BU+ .
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for DS1339BU+ often in real-time on the comparison pages.
What if I can't find stock of DS1339BU+ ?
You can fill out our help required form which you can use to request a quote for DS1339BU+ from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.