| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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2,671 pcs
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2671 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The DS1904L-F5# iButton Real-Time Clock module by Dallas Semiconductor offers a rugged solution for timekeeping in embedded applications. Data is accessed serially via the 1-Wire protocol, requiring minimal hardware.
Key features include a real-time clock/calendar in binary format with 1-second resolution and an accuracy of better than ±2 minutes per month at 25°C. The operating temperature range is from -40°C to +85°C, ensuring reliable performance in various environments. The unique 64-bit factory-lasered ROM code provides absolute traceability.
The durable MicroCan package is highly resistant to dirt, moisture, and shock. Accessories are available for mounting on printed circuit boards or plastic key fobs. This iButton adds functions such as calendar, time and date stamping, stopwatch, hour meter, interval timer, and logbook capabilities to electronic devices.
Communication to the host is economical, using a single digital signal at 16.3kbps. The standard 16mm diameter and 1-Wire protocol ensure compatibility with the iButton Device family. The stainless steel case is engraved with the registration number and withstands harsh environments.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.28 | $1.28 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The DS1904L-F5# is packaged in a MicroCan surface-mount package.
The DS1904L-F5# operates from -40°C to +85°C.
The clock accuracy is better than ±2 minutes per month at 25°C.
It uses the 1-Wire protocol.
The data rate is 16.3kbps.
The ROM code length is 64 bits.
The real-time clock/calendar uses a binary format.