DS1338U-18
IC RTC CLOCK/CALENDAR I2C 8UMAXManufacturer: Analog Devices Inc./Maxim Integrated
Categories: Real Time Clocks
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The Analog Devices Inc./Maxim Integrated DS1338U-18 is a Real-Time Clock (RTC) / Calendar IC offering 56 bytes of NVSRAM. This device supports I2C or 2-Wire serial communication with a clock speed up to 400kHz. It features leap year compensation and a configurable square wave output. The DS1338U-18 operates within a supply voltage range of 1.71V to 5.5V, with a dedicated battery input supporting 1.3V to 3.7V for uninterrupted timekeeping. At 1.89V, timekeeping current consumption is a maximum of 100µA. The device is available in an 8-uMAX/uSOP package suitable for surface mounting. Applications include industrial control systems, consumer electronics, and telecommunications equipment.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:Download Free CAD Model:
Technical Details:
| Features | Leap Year, NVSRAM, Square Wave Output |
| Packaging | Tube |
| Package / Case | 8-TSSOP, 8-MSOP (0.118"", 3.00mm Width) |
| Mounting Type | Surface Mount |
| Memory Size | 56B |
| Interface | I2C, 2-Wire Serial |
| Type | Clock/Calendar |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 1.71V ~ 5.5V |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Supplier Device Package | 8-uMAX/uSOP |
| Voltage - Supply, Battery | 1.3V ~ 3.7V |
| Current - Timekeeping (Max) | 100µA @ 1.89V |
| Programmable | Not Verified |
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