GD25LB64ENIGR

Memory IC Overview

The GD25LB64ENIGR is a 64M-bit (8M x 8) Serial NOR Flash memory manufactured by GigaDevice. It operates on a single power supply voltage ranging from 1.65V to 2.0V and supports Standard, Dual, Quad SPI, and QPI interfaces with a maximum clock frequency of 133MHz. The device features a uniform sector architecture with 4K-byte sectors and 32/64K-byte blocks. It includes advanced security features such as a 128-bit Unique ID, software write protection, and three 1024-byte Security Registers with OTP locks. The component is housed in an USON-8 package.

Memory IC Feature Summary

• Supports standard, dual, quad SPI, and QPI modes for flexible data transfer rates up to 532Mbits/s.
• Features a uniform block and sector architecture allowing efficient erase operations at 4K-byte and 32/64K-byte granularities.
• Includes hardware and software data protection mechanisms, including top/bottom block protection and status register lock-down options.
• Provides a unique 128-bit identifier per device and three non-volatile security registers with one-time programmable lock capabilities.

Memory IC Applications

• Firmware storage for microcontrollers and system-on-chips requiring execute-in-place (XiP) operation.
• Data logging applications utilizing the device's endurance and data retention specifications.
• Secure embedded systems leveraging the built-in security registers and unique identification features.

Memory IC Procurement Notes

Verify the specific ordering suffix 'ENIGR' against the manufacturer's official documentation to confirm the exact package type and tape/reel configuration. Ensure that the voltage requirements align with the target system's power supply rails, as this model operates within a low-voltage range. Confirm compliance with environmental standards if required for the specific deployment environment.

Memory IC Selection Notes

Select this component when a low-voltage (1.65V-2.0V) NOR flash solution is required for space-constrained designs due to the USON-8 packaging. Consider this part for applications needing high-speed read performance via Quad I/O or QPI modes. Evaluate the security features, particularly the OTP locks and unique ID, if data integrity and device authentication are critical design parameters.

Memory IC Part Context

The GD25LB64E series represents GigaDevice's low-voltage serial flash family designed for portable and battery-powered devices. The GD25LB64ENIGR specifically denotes the 64M-bit density variant packaged in USON-8. This series emphasizes low power consumption during standby and active modes while maintaining high performance through advanced interface protocols like QPI.

Memory IC Replacement Considerations

Consult the manufacturer's datasheet for officially listed compatible replacements or pin-compatible alternatives within the GD25L series. Verify electrical characteristics and command set compatibility before substituting any other 64M-bit NOR flash components.