RX-4581NB:B0 ROHS
IC RTC CLK/CALENDAR SPI 22SONManufacturer: EPSON
Categories: Real Time Clocks
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The EPSON RX-4581NB-B0-ROHS is a Real Time Clock (RTC) IC featuring a Clock/Calendar function with a 16-bit SPI interface. This component is housed in a 22-SON package with flat leads, designed for surface mounting. It operates over a voltage range of 1.6V to 5.5V, exhibiting low timekeeping current consumption between 0.8µA and 1.2µA at 3V to 5V. Key features include alarm functionality, leap year compensation, and integrated SRAM. The device supports both 24-hour time (HH:MM:SS) and YY-MM-DD-dd date formats. This EPSON RTC is suitable for applications in industrial automation, consumer electronics, and medical equipment where accurate timekeeping is critical. The RX-4581NB series component 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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