25LC640 64K SPI Bus Serial EEPROM: Pinout, Equivalent and Datasheet

Contact plating (finish) provides corrosion protection for base metals and optimizes the mechanical and electrical properties of the contact interfaces.

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.

refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.

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.

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.

The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.

Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

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

An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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.

In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

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.

Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

The center distance from one pole to the next.

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.

The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

a count of all of the component leads (or pins)

The voltage level by which an electrical system is designated and to which certain operating characteristics of the system are related.

an electronic circuit that converts the voltage of an alternating current (AC) into a direct current (DC) voltage.?

Voltage is a measure of the electric potential difference between two points in an electrical circuit. It is typically represented by the symbol "V" and is measured in volts. Voltage is a crucial parameter in electronic components as it determines the flow of electric current through a circuit. It is responsible for driving the movement of electrons from one point to another, providing the energy needed for electronic devices to function properly. In summary, voltage is a fundamental concept in electronics that plays a key role in the operation and performance of electronic components.

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.

The memory capacity is the amount of data a device can store at any given time in its memory.

Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.

Clock frequency, also known as clock speed, refers to the rate at which a processor or electronic component can execute instructions. It is measured in hertz (Hz) and represents the number of cycles per second that the component can perform. A higher clock frequency typically indicates a faster processing speed and better performance. However, it is important to note that other factors such as architecture, efficiency, and workload also play a significant role in determining the overall performance of a component. In summary, clock frequency is a crucial parameter that influences the speed and efficiency of electronic components in processing data and executing tasks.

Access time in electronic components refers to the amount of time it takes for a system to retrieve data from memory or storage once a request has been made. It is typically measured in nanoseconds or microseconds and indicates the speed at which data can be accessed. Lower access time values signify faster performance, allowing for more efficient processing in computing systems. Access time is a critical parameter in determining the overall responsiveness of electronic devices, particularly in applications requiring quick data retrieval.

Memory Format in electronic components refers to the specific organization and structure of data storage within a memory device. It defines how data is stored, accessed, and managed within the memory module. Different memory formats include RAM (Random Access Memory), ROM (Read-Only Memory), and various types of flash memory. The memory format determines the speed, capacity, and functionality of the memory device, and it is crucial for compatibility with other components in a system. Understanding the memory format is essential for selecting the right memory module for a particular application or device.

An external memory interface is a bus protocol for communication from an integrated circuit, such as a microprocessor, to an external memory device located on a circuit board.

Write Cycle Time - Word, Page refers to the duration required to write data to a specific memory cell or a page of memory in electronic components, particularly in non-volatile memories like Flash or EEPROM. It indicates the time taken to complete a writing operation for a single word or an entire page of data. This parameter is crucial for determining the performance and speed of memory devices in applications where quick data storage is essential. It impacts the overall efficiency in data handling, affecting both read and write speeds in memory-related operations.

In electronic components, "Density" refers to the mass or weight of a material per unit volume. It is a physical property that indicates how tightly packed the atoms or molecules are within the material. The density of a component can affect its performance and characteristics, such as its strength, thermal conductivity, and electrical properties. Understanding the density of electronic components is important for designing and manufacturing processes to ensure optimal performance and reliability.

Standby Current-Max refers to the maximum amount of current that an electronic component or device consumes while in a low-power standby mode. This parameter is critical for power management, especially in battery-operated devices, as it indicates how efficiently the device can conserve energy when not actively in use. A lower Standby Current-Max value is typically desirable, as it contributes to longer battery life and reduced energy consumption. Manufacturers specify this value to help engineers select components that meet specific power efficiency requirements in their designs.

Serial bus type refers to the method by which data is transmitted between components in an electronic system using a serial communication protocol. It involves the sequential transfer of data bits over a single channel or wire, allowing for a reduced number of interconnections compared to parallel communication. Common examples of serial bus types include I2C, SPI, USB, and UART, each with its own specific protocol and applications. The choice of serial bus type can affect the speed, complexity, and power consumption of the communication between devices.

In electronic components, "Endurance" refers to the ability of a component to withstand repeated cycles of operation without degradation in performance or failure. It is a crucial parameter, especially in components that are subjected to frequent switching or high levels of stress during operation. Endurance testing is often conducted to evaluate the reliability and durability of electronic components under real-world conditions. Components with high endurance ratings are more likely to have a longer lifespan and provide consistent performance over time. Manufacturers typically provide endurance specifications in datasheets to help engineers and designers select components that meet the required durability for their applications.

The parameter "Write Cycle Time-Max (tWC)" in electronic components refers to the maximum amount of time it takes for data to be written to a memory cell or storage device. It is a crucial specification in devices such as EEPROMs, flash memory, and other non-volatile memory technologies. The tWC value indicates the longest duration required for a write operation to be completed successfully, ensuring that the data is stored accurately and reliably. Designers and engineers use this parameter to optimize performance and ensure proper functioning of the electronic component within the specified time constraints.

The parameter "Data Retention Time-Min" in electronic components refers to the minimum amount of time that data can be stored in a non-volatile memory device without requiring a refresh or rewrite operation to maintain its integrity. This parameter is crucial for applications where data integrity and reliability are essential, such as in embedded systems, IoT devices, and critical infrastructure. A longer data retention time indicates a more stable memory device that can retain data for extended periods without degradation or loss. It is important to consider the data retention time when selecting memory components for specific applications to ensure data reliability and longevity.

Write protection is a feature found in electronic components, such as memory devices, that prevents data from being modified or erased. When write protection is enabled, the data stored in the component is locked and cannot be altered, ensuring the integrity and security of the information. This feature is commonly used in devices like USB flash drives, SD cards, and EEPROMs to prevent accidental data loss or unauthorized access. Write protection can be implemented through hardware mechanisms, such as physical switches or jumpers, or through software settings that restrict write access to the component.

The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.

Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.

RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.