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DS1904L-F5+
Binary-Formatted Real-Time Clock/Calendar
DS1904L-F5+
Binary-Formatted Real-Time Clock/Calendar
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Manufacturer Part # : DS1904L-F5+
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Package/Case: F5 MicroCan
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Brand: MAXIM
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Product Categories : Timers or RTCs
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
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If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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DS1904L-F5+ DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The iButton® RTC (DS1904) is a rugged real-time clock module that can be accessed with minimal hardware. Data is transferred serially by the 1-Wire® protocol, which requires only a single data lead and a ground return. The DS1904 contains a unique 64-bit factory-lasered ROM and a real-time clock/calendar implemented as a binary counter. The durable MicroCan® package is highly resistant to environmental hazards such as dirt, moisture, and shock. Accessories permit the DS1904 to be mounted on almost any surface including printed circuit boards and plastic key fobs. The DS1904 adds functions such as calendar, time and date stamp, stopwatch, hour meter, interval timer, and logbook to any type of electronic device or embedded application that uses a microcontroller.
Key Features
- 64-kbit Electrically Erasable Programmable Read-Only Memory (EEPROM)
- 2-wire Interface operating from 2.8V to 6.0V
- Operating temperature range of -40°C to +85°C
- Single time slot communication
- Overdrive mode for faster data communication
- Unique 48-bit serial number
Application
- Asset tracking
- Temperature monitoring
- Supply chain management
- Cold chain logistics
- Pharmaceutical storage
- Food safety monitoring
- Environmental monitoring
- Industrial process control
- Automotive industry
- Healthcare industry
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | Yes | Part Life Cycle Code | Obsolete |
| Pin Count ! | 2 | Reach Compliance Code | not_compliant |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Clock Frequency-Max | 0.032 MHz | External Data Bus Width | |
| Information Access Method | SERIAL, 1-WIRE | JESD-30 Code | O-MEDB-N2 |
| JESD-609 Code | e3 | Number of Terminals | 2 |
| Number of Timers | Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | -40 °C | Package Body Material | METAL |
| Package Shape | ROUND | Package Style | DISK BUTTON |
| Qualification Status ! | Not Qualified | Supply Voltage-Max | 6 V |
| Supply Voltage-Min | 2.8 V | Supply Voltage-Nom | 3.3 V |
| Surface Mount ! | YES | Technology | CMOS |
| Temperature Grade ! | OTHER | Terminal Finish | MATTE TIN |
| Terminal Form ! | NO LEAD | Terminal Position | END |
| uPs/uCs/Peripheral ICs Type | TIMER, REAL TIME CLOCK |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is DS1904L-F5+?
The DS1904L-F5+ is a unique 1-Wire real-time clock (RTC) module designed by Maxim Integrated. It provides an accurate timekeeping solution with built-in temperature sensing capabilities, making it suitable for applications requiring time and temperature monitoring, such as data loggers, industrial automation, and consumer electronics.
How Does DS1904L-F5+ Work?
The DS1904L-F5+ operates as a real-time clock that can keep track of time and date with high accuracy. Additionally, it incorporates a temperature sensor that allows for monitoring temperature changes. The module communicates over the 1-Wire interface, simplifying integration into various systems.
How Many Pins does DS1904L-F5+ have and What are the Functions of the Pinout Configuration?
The DS1904L-F5+ is housed in a 5-pin TO-92 package. The pinout configuration includes:
- 1-Wire: Data and power pin for communication.
- GND: Ground connection.
- NC: No Connect pin.
- DS: Unused pin (can be left floating).
- VDD: Power supply pin.
What are the Pros and Cons of DS1904L-F5+?
Pros:
- Integrated Timekeeping and Temperature Sensing: Provides a combined solution for time and temperature monitoring.
- 1-Wire Interface: Simplifies communication and connection to host systems.
- Small Form Factor: The TO-92 package is compact and suitable for space-constrained applications.
- Low Power Consumption: Operates efficiently, ideal for battery-powered devices.
Cons:
- Limited Functionality: May not offer advanced features present in more complex RTC modules.
- Temperature Sensor Accuracy: The accuracy of the temperature sensor may not be as high as standalone sensors.
Are There Any Equivalents/Alternatives to DS1904L-F5+ for Recommendation?
- An alternative to the DS1904L-F5+ is the DS3231 from Maxim Integrated, which is a more feature-rich RTC module with integrated temperature compensation.
- Other alternatives include the MCP79410 from Microchip Technology and the PCF8563 from NXP Semiconductors.
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