RX-4581NB:B3 ROHS
IC RTC CLK/CALENDAR SPI 22SONManufacturer: EPSON
Categories: Real Time Clocks
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EPSON RX-4581NB is a Real Time Clock (RTC) IC featuring a Clock/Calendar function with 16B memory. This component utilizes an SPI interface for communication and is housed in a 22-SON package with flat leads, suitable for surface mounting. Key features include alarm functionality, leap year calculation, and integrated SRAM. The device operates across a wide voltage supply range of 1.6V to 5.5V, with minimal timekeeping current consumption specified between 0.8µA and 1.2µA. Supported time and date formats are HH:MM:SS (24 hr) and YY-MM-DD-dd respectively. The operating temperature range is -40°C to 85°C. This component finds application in various industries including automotive and industrial automation. The RX-4581NB series is supplied in Tape & Reel packaging.
Additional Information
Series: RX-4581NBRoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Features | Alarm, Leap Year, SRAM |
| Packaging | Tape & Reel (TR) |
| Package / Case | 22-SMD, 20 Leads, Flat Leads |
| Mounting Type | Surface Mount |
| Memory Size | 16B |
| Interface | SPI |
| Type | Clock/Calendar |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 1.6V ~ 5.5V |
| Time Format | HH:MM:SS (24 hr) |
| Date Format | YY-MM-DD-dd |
| Supplier Device Package | 22-SON |
| Voltage - Supply, Battery | - |
| Current - Timekeeping (Max) | 0.8µA ~ 1.2µA @ 3V ~ 5V |
| Programmable | Not Verified |
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