IS25LQ040B-JDLE

Memory IC Overview

The IS25LQ040B-JDLE is a non-volatile NOR flash memory integrated circuit manufactured by ISSI. It features a storage capacity of 4 megabits organized as 512K x 8 bits. The device utilizes a Multi I/O Quad SPI interface with support for QPI mode and operates at clock frequencies up to 104 MHz. It functions within a supply voltage range of 2.3V to 3.6V and is rated for an extended industrial temperature range of -40°C to +105°C. The component is housed in an 8-TSSOP surface-mount package.

Memory IC Feature Summary

• Supports Multi I/O Quad SPI interface modes including QPI for high-speed data transfer
• Designed for extended industrial operating temperatures ranging from -40°C to +105°C
• Provides reliable non-volatile data retention using SLC NAND technology

Memory IC Applications

• Industrial control systems requiring robust environmental tolerance
• Automotive electronics applications
• Consumer electronic devices needing compact storage solutions

Memory IC Procurement Notes

Verify the specific suffix JDLE against official datasheets to confirm the package type and temperature grade. Confirm RoHS compliance status and check for any end-of-life notices or long-term availability commitments from ISSI before finalizing procurement plans.

Memory IC Selection Notes

Select this component when a 4Mbit density is required with Quad SPI compatibility. Ensure the design supports the 2.3V to 3.6V voltage range. Verify that the 8-TSSOP footprint matches the PCB layout constraints and that the -40°C to +105°C rating meets the operational environment requirements.

Memory IC Part Context

This part belongs to the IS25LQ series of Serial NOR Flash devices from ISSI. These components are designed for general-purpose storage applications, offering a balance of performance and reliability. The series typically includes variants with different densities and interface speeds, catering to various embedded system needs.

Memory IC Replacement Considerations

Check for direct pin-compatible replacements within the IS25LQ family or other ISSI serial flash lines. Verify electrical parameters such as voltage range and speed grades match exactly. Consider alternative manufacturers only if they offer equivalent specifications and package dimensions.