For Reference Only
| Part Number | RX-4581NB:B ROHS |
| LIXINC Part # | RX-4581NB:B ROHS |
| Manufacturer | Epson |
| Category | Integrated Circuits › Clock/Timing - Real Time Clocks |
| Description | IC RTC CLK/CALENDAR SPI 22-SON |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | RX-4581NB:B ROHS PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 24 - Jan 28 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | RX-4581NB:B ROHS |
| Brand: | Epson |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits |
| Subcategory: | Clock/Timing - Real Time Clocks |
| Manufacturer: | Epson |
| Series: | RX-4581NB |
| Package: | Bulk |
| Part Status: | Last Time Buy |
| 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 |
| 1338-18DCGI8 | IC RTC CLK/CALENDAR I2C 8-SOIC | 973 More on Order |
|
| BQ3287MT-SB2 | RTC, NON-VOLATILE | 952 More on Order |
|
| DS1338U-18+T&R | IC RTC CLK/CALENDAR I2C 8-USOP | 87835 More on Order |
|
| RTC-72421B: PURE SN | IC REAL TIME CLOCK/CALENDAR | 936 More on Order |
|
| DS3232MZ+ | IC RTC CLK/CALENDAR I2C 8-SOIC | 1675 More on Order |
|
| RX-8571SA:B3 PURE SN | IC RTC CLK/CALENDAR I2C 14-SOP | 995 More on Order |
|
| 1339-2DVGI8 | IC RTC CLK/CALENDAR I2C 8-MSOP | 956 More on Order |
|
| M41T93SQA6F | IC RTC CLK/CALENDAR SPI 16-QFN | 816 More on Order |
|
| RTC-72423B3:PURE SN | IC RTC CLK/CALENDAR PAR 24-SOP | 969 More on Order |
|
| DS1342U+ | IC RTC CLK/CALENDAR I2C 8-USOP | 15291 More on Order |
|
| MCP79512T-I/MS | IC RTC CLK/CALENDAR SPI 10-MSOP | 882 More on Order |
|
| MCP79411-I/SN | IC RTC CLK/CALENDAR I2C 8-SOIC | 3253 More on Order |
|
| DS1305EN+ | IC RTC CLK/CALENDAR SPI 20-TSSOP | 2119 More on Order |
| In Stock | 10814 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $3.63790 | $3.6379 |
| 250 | $3.25600 | $814 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.