GD25LQ40EKIGR

Memory IC Overview

The GD25LQ40EKIGR is a 4 Mbit (512K x 8) NOR flash memory manufactured by GigaDevice. It operates on a single power supply voltage ranging from 1.65 V to 2.0 V and supports SPI, Dual SPI, and Quad SPI interfaces with a maximum clock frequency of 133 MHz. The device features uniform sector architecture with 4 KByte sectors and 32/64 KByte blocks. It includes hardware and software write protection, a 128-bit unique ID, and security registers. The component is housed in an 8-lead USON package and supports execute-in-place operations.

Memory IC Feature Summary

• Supports standard, dual, and quad serial peripheral interface modes for flexible data transfer rates.
• Provides hardware and software write protection mechanisms including block protect bits and status register locking.
• Features advanced security capabilities such as a 128-bit unique identifier and one-time programmable security registers.
• Enables execute-in-place operation with continuous read wrap functionality to reduce instruction fetch latency.

Memory IC Applications

• Code storage for microcontrollers requiring low-voltage operation
• Firmware storage in consumer electronics devices
• Data logging applications utilizing non-volatile memory retention
• Industrial control systems needing reliable code execution

Memory IC Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package dimensions and tape-and-reel specifications. Ensure that the voltage range requirements align with the system design constraints before procurement. Confirm availability through authorized distributors to avoid counterfeit components.

Memory IC Selection Notes

Select this component when a 4 Mbit capacity is required within a compact surface-mount footprint. It is suitable for designs operating at 1.8 V or lower voltages where low standby current is critical. Consider the Quad SPI capability if high-speed data retrieval is necessary for the application performance.

Memory IC Part Context

This part belongs to the GD25LQ40E series of uniform sector serial flash memories. The series is designed for applications requiring high reliability and low power consumption. It complements other densities in the family while maintaining pin compatibility and command set consistency across the product line.

Memory IC Replacement Considerations

GD25LQ40EEIGR