DS1305EN
IC RTC CLK/CALENDAR SPI 20TSSOPManufacturer: Analog Devices Inc./Maxim Integrated
Categories: Real Time Clocks
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The Analog Devices Inc./Maxim Integrated DS1305EN is a Clock/Calendar Real Time Clock (RTC) IC featuring a 96B NVSRAM for data backup. This component utilizes a 20-TSSOP package with a 0.173" (4.40mm) width, designed for surface mount applications. It offers a SPI interface for communication and supports both 12/24 hour time formats and YY-MM-DD-dd date formats. Key features include alarm functionality, leap year compensation, and internal trickle-charger support for battery backup. The operating temperature range is -40°C to 85°C, with a supply voltage range of 2V to 5.5V for both the main supply and battery. Typical timekeeping current consumption ranges from 25.3µA to 81µA across its operational voltage range. This device is commonly deployed in industrial control, medical, and consumer electronics applications requiring accurate timekeeping and data retention.
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 | Alarm, Leap Year, NVSRAM, Trickle-Charger |
| Packaging | Tube |
| Package / Case | 20-TSSOP (0.173"", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Memory Size | 96B |
| Interface | SPI |
| Type | Clock/Calendar |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 2V ~ 5.5V |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Supplier Device Package | 20-TSSOP |
| Voltage - Supply, Battery | 2V ~ 5.5V |
| Current - Timekeeping (Max) | 25.3µA ~ 81µA @ 2V ~ 5V |
| Programmable | Not Verified |
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