For Reference Only
| Part Number | RX-4581NB:B3 ROHS |
| Manufacturer | EPSON |
| Category | Integrated Circuits (ICs) › Real Time Clocks |
| Description | IC RTC CLK/CALENDAR SPI 22-SON |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | RX-4581NB:B3 ROHS PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 07 - Dec 11 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | RX-4581NB:B3 ROHS |
| Brand: | EPSON |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Real Time Clocks |
| Manufacturer: | EPSON |
| Product Status: | Obsolete |
| Type: | Clock/Calendar |
| Features: | Alarm, Leap Year, SRAM |
| Memory Size: | 16B |
| Time Format: | HH:MM:SS (24 hr) |
| Date Format: | YY-MM-DD-dd |
| Interface: | SPI |
| Voltage - Supply: | 1.6V ~ 5.5V |
| Voltage - Supply, Battery: | - |
| Current - Timekeeping (Max): | 0.8µA ~ 1.2µA @ 3V ~ 5V |
| Operating Temperature: | -40°C ~ 85°C |
| Mounting Type: | Surface Mount |
| Package / Case: | 22-SMD, 20 Leads, Flat Leads |
| Supplier Device Package: | 22-SON |
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| In Stock | 16114 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250 | $3.25600 | $814 |
| 500 | $2.92160 | $1460.8 |
| 750 | $2.64000 | $1980 |
| 1250 | $2.46400 | $3080 |
| 2500 | $2.34080 | $5852 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.
