A Comprehensive Guide to the RV-8803 Real-Time Clock Module
Real Time Clocks
This article provides an in-depth analysis of the RV-8803-C7-32.768KHZ-3PPM-TA-QC real-time clock module from Micro Crystal AG. It covers the product description, key features, primary and secondary applications, reference designs, alternative parts, and frequently asked questions to help electronic engineers understand and utilize this component effectively.
Product Introduction
Description:
The RV-8803-C7-32.768KHZ-3PPM-TA-QC is a surface-mount real-time clock module designed for automotive applications. It features an alarm function, leap year support, and a RAM for data storage. Operating in a wide temperature range of -40°C to 85°C, this clock/calendar module offers high precision with a frequency of 32.768 kHz and a stability of 3 ppm. The RV-8803 is powered by a voltage supply ranging from 1.5V to 5.5V and consumes minimal power with a timekeeping current of 350nA at 3V.
Features:
- Alarm function
- Leap year support
- RAM for data storage
- Wide operating temperature range
- High precision frequency of 32.768 kHz
- Low power consumption
- I2C interface for communication
- RoHS3 compliant
Applications:
Primary Applications:
1. Automotive systems
2. Industrial automation
3. IoT devices
4. Wearable electronics
Secondary Applications:
1. Medical devices
2. Consumer electronics
3. Smart home appliances
Applicable Specific Modules:
1. Vehicle tracking systems
2. Data loggers
3. Battery-powered devices
4. Timing circuits
Reference Designs:
1. Automotive dashboard clock
2. Industrial automation timing controller
3. Wearable fitness tracker
4. IoT sensor node
Alternative Parts:
1. RV-3028-C7
2. RV-3049-C7
3. RV-3029-C2
4. RV-1805-C3
FAQs:
Q1: What is the operating voltage range of the RV-8803 real-time clock module?
A1: The RV-8803 module can be powered by a voltage supply ranging from 1.5V to 5.5V.
Q2: Does the RV-8803 support leap year calculations?
A2: Yes, the RV-8803 module features leap year support for accurate date and time calculations.
Q3: What is the typical current consumption of the RV-8803 during timekeeping?
A3: The RV-8803 consumes a maximum of 350nA at 3V for timekeeping operations, making it ideal for low-power applications.
Q4: Is the RV-8803 compliant with RoHS regulations?
A4: Yes, the RV-8803 real-time clock module is RoHS3 compliant, ensuring environmental sustainability in electronic designs.
In conclusion, the RV-8803-C7-32.768KHZ-3PPM-TA-QC real-time clock module offers high precision, low power consumption, and versatile applications in automotive, industrial, IoT, and wearable electronics. With its advanced features and reliable performance, this clock module is a valuable component for designing accurate timekeeping systems in various electronic devices.
Specifications
- TypeParameter
- Factory Lead Time2 Weeks
- Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
8-WCDFN - Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~85°C TA - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tape & Reel (TR) - Series
In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.
Automotive, AEC-Q200 - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
1 (Unlimited) - TypeClock/Calendar
- Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Gold Flash (Au) - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
1.5V~5.5V - Peak Reflow Temperature (Cel)
Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.
260 - Time@Peak Reflow Temperature-Max (s)
Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.
40 - Interface
In electronic components, the term "Interface" refers to the point at which two different systems, devices, or components connect and interact with each other. It can involve physical connections such as ports, connectors, or cables, as well as communication protocols and standards that facilitate the exchange of data or signals between the connected entities. The interface serves as a bridge that enables seamless communication and interoperability between different parts of a system or between different systems altogether. Designing a reliable and efficient interface is crucial in ensuring proper functionality and performance of electronic components and systems.
I2C - Time Format
Time is based on a 24 hour system. This is frequently referred to as "military time". The 24 hour system is the default format.
HH:MM:SS - Date Format
The international standard recommends writing the date as year, then month, then the day:?YYYY-MM-DD.
YY-MM-DD-dd - Current - Timekeeping (Max)
The parameter "Current - Timekeeping (Max)" in electronic components refers to the maximum current that a device can draw while performing timekeeping functions. Timekeeping functions typically involve maintaining accurate time and date information within a device, such as in a real-time clock (RTC) or a microcontroller with a built-in clock. The maximum current specified for timekeeping is important for determining the power consumption of the device when it is in standby or low-power modes, as excessive current draw can drain the battery quickly. Designers need to consider this parameter when selecting components for battery-powered devices to ensure efficient power management and longer battery life.
350nA @ 3V - Features
In the context of electronic components, the term "Features" typically refers to the specific characteristics or functionalities that a particular component offers. These features can vary depending on the type of component and its intended use. For example, a microcontroller may have features such as built-in memory, analog-to-digital converters, and communication interfaces like UART or SPI.When evaluating electronic components, understanding their features is crucial in determining whether they meet the requirements of a particular project or application. Engineers and designers often look at features such as operating voltage, speed, power consumption, and communication protocols to ensure compatibility and optimal performance.In summary, the "Features" parameter in electronic components describes the unique attributes and capabilities that differentiate one component from another, helping users make informed decisions when selecting components for their electronic designs.
Alarm, Leap Year, RAM - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant
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Datasheet PDF
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