LE25S40MB-AH Memory by ON Semiconductor

Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status.

Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime.

Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold.

Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues.

Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations.

Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.

Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions.

Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility.

Confirms whether the component is manufactured without halogenated compounds, such as bromine or chlorine, which are restricted in many industries due to environmental and safety regulations. Important for compliance with green standards and for use in sensitive applications.

Published indicates the date when the product data was released or updated in the catalog. It helps buyers assess the freshness of the information and whether the component is current or possibly obsolete. Check the datasheet for the latest revisions.

Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.

Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line.

Specifies the communication protocol or interface type used by the component, such as I2C, SPI, UART, or USB. This determines how the device connects to a microcontroller or system. Verify compatibility with your host controller and bus voltage levels before design-in.

Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions.

Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings.

Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.

Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.

Typical current drawn from the supply under nominal operating conditions. Compare this value across similar components to estimate power consumption and thermal behavior. Always verify against the datasheet for your specific voltage and load conditions.

Specifies the count of independent functions or channels integrated into a single component package. This helps engineers determine if the part can handle multiple signal paths or operations simultaneously. Verify against the datasheet to ensure the device meets your circuit's functional requirements.

Indicates if the component is designed to withstand ionizing radiation in space, nuclear, or high-energy physics applications. Compare radiation-tolerant vs. radiation-hardened parts for mission-critical designs. Verify the total ionizing dose (TID) and single-event effect (SEE) ratings in the datasheet.

Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities.

Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance.

Terminal pitch is the center-to-center distance between adjacent leads or pads on a component. It determines PCB layout compatibility and soldering feasibility. Verify against the datasheet to ensure your footprint matches the component's actual lead spacing.

Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection.

Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity.

Total number of pins or terminals on the component package. Essential for footprint design, PCB layout, and connector mating. Verify against the datasheet to ensure compatibility with your board and assembly process.

Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design.

Defines the underlying technology used for data storage, such as SRAM, DRAM, or Flash. Determines volatility, speed, and endurance. Choose based on your application's need for persistence and access speed.

Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage.

Specifies the voltage range within which the component operates correctly. Check the datasheet to ensure your power supply meets the minimum and maximum limits, as exceeding them can damage the device or cause malfunction.

Operating frequency of the clock signal that drives the device. Determines processing speed and timing accuracy. Compare with your system's required clock rate and check the datasheet for maximum and typical values.

Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.

Specifies the internal organization of the memory device, such as DRAM, SRAM, or Flash. This affects how data is accessed and stored. Verify the format against your application requirements and the datasheet to ensure compatibility with your system's memory controller.

Indicates whether the component operates in synchronous or asynchronous mode. This affects timing, clocking, and data transfer protocols. Verify the mode against your system requirements and the datasheet to ensure proper integration and performance.

Specifies the number of bits in a single data word for memory or processor components. Compare word sizes when selecting devices for data throughput and processing capability. Verify the exact word size in the datasheet to ensure compatibility with your system architecture.

Indicates the number of program/erase cycles a memory device can withstand before performance degrades. This is critical for flash and EEPROM in applications with frequent writes. Engineers compare endurance to ensure data retention and reliability over the product's lifetime. Verify the specified endurance rating in the datasheet.

Describes the mechanism that prevents unintended writes to memory, such as hardware pins, software commands, or OTP fuses. This is critical for firmware integrity and security. Engineers must understand the write protection features to safeguard critical data. Check the datasheet for available protection modes and activation procedures.

Specifies the number of address lines used to access memory or registers. Wider buses address more locations, affecting maximum memory capacity. Verify against the datasheet for compatibility with your microcontroller or processor design.

Specifies the protocol or bus standard used to connect the component to external memory. Common types include SPI, I2C, parallel, and DDR. Verify compatibility with your host controller and memory device to ensure proper communication and data transfer rates.

Specifies the number of bits transferred simultaneously between the memory device and the controller. Wider buses enable higher data throughput. Verify this parameter against the datasheet to ensure compatibility with your system's bus architecture and expected performance.

Specifies the maximum duration required to complete a single write operation in non-volatile memory. Compare this timing parameter across devices to ensure compatibility with your system's write timing budget. Always verify against the datasheet for worst-case conditions.

Maximum current drawn by the component when in standby or sleep mode. Lower values extend battery life in portable designs. Verify against datasheet conditions, as standby current can vary with supply voltage and temperature.

The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.

Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in.

Specifies the duration needed to program a single word or a page in non-volatile memory. Compare this timing when selecting EEPROM or flash devices for write-intensive applications. Verify against the datasheet to ensure your system meets the required write throughput.

Total storage capacity of the memory chip, typically expressed in bits or bytes. Compare densities to match your application's code and data requirements. Verify against the datasheet to ensure sufficient headroom for firmware and runtime variables.

Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance.

Specifies the number of parallel data lines in bits for microcontrollers, DSPs, or memory interfaces. Wider buses enable higher throughput but affect pin count and power. Verify against the datasheet to ensure compatibility with your system's architecture and required performance.

Specifies the highest DC supply voltage the component can tolerate without damage or malfunction. Engineers compare this to the system's power rail to ensure safe operation. Always verify against the datasheet's absolute maximum ratings.

Minimum supply voltage for proper operation. Check the datasheet to ensure your power rail meets this threshold. Critical for low-voltage designs and battery-powered applications. Compare across parts to avoid undervoltage failures.

Specifies the minimum duration that stored data remains valid without applied power. Critical for non-volatile memories, EEPROMs, and RTCs. Verify against datasheet to ensure data integrity over product lifetime, especially for industrial or automotive applications.

Specifies the serial communication protocol used by the component, such as I2C, SPI, UART, or CAN. This determines compatibility with your microcontroller and system architecture. Verify the supported bus type and voltage levels in the datasheet before integration.

Indicates the total storage capacity of the memory device, typically in bits or bytes. Buyers use this to match firmware or data storage requirements. Confirm the exact organization and density in the datasheet before design-in.

Specifies the range of DC or AC input voltage the component requires for proper operation. Engineers compare this to the system power rail to ensure compatibility. Always verify against the datasheet's absolute maximum ratings to prevent damage.

This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning.

Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details.

Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions.

Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays.

Maximum vertical dimension from the seating plane to the top of the component body. Critical for PCB clearance and enclosure fit. Verify against the datasheet when designing mechanical constraints or checking compatibility with mating parts.

Memory page size determines the granularity of read and write operations in flash or EEPROM devices. Compare this value with your application's data block size to ensure efficient programming and erase cycles. Always verify against the datasheet for exact page boundaries.