| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Supply Voltage (DC) | 1.80V (max) |
| Operating Voltage | 1.8V ~ 5.5V |
| Case/Package | MSOP-8 |
| Number of Outputs | 2 Output |
| Number of Positions | 8 Position |
| Clock Speed | 400 kHz |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 1.8V ~ 5.5V |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 1.8 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
| Packaging | Tube |
| Size-Length | 3.1 mm |
| Size-Width | 3.1 mm |
| Size-Height | 0.95 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The DS1337U+ is an I²C serial Real-time Clock with two programmable time-of-day alarms and a programmable square-wave output. Address and data are transferred serially through an I²C bus. The clock/calendar 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. The clock operates in either the 24-hour or 12-hour format with AM/PM indicator. The device is fully accessible through the serial interface while VCC is between 1.8 and 5.5V. I²C operation is not guaranteed below 1.8V. Timekeeping operation is maintained with VCC as low as 1.3V.
● Completely manages all timekeeping functions - Two time-of-day alarms and oscillator stop flag
● Interfaces with most microcontrollers - I²C serial interface
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