GD25LQ80CEIGR

Memory IC Overview

The GD25LQ80CEIGR is an 8M-bit (1M x 8) NOR flash memory device manufactured by GigaDevice. It operates on a single power supply voltage ranging from 1.65V to 2.1V. The component supports Standard, Dual, and Quad SPI interfaces with a maximum clock frequency of 104MHz for fast read operations under a 30pF load. It features uniform sector architecture with 4K-byte sectors and 32/64K-byte blocks. The device includes hardware and software write protection mechanisms, a 128-bit unique ID, and three 512-byte security registers with OTP lock capabilities.

Memory IC Feature Summary

• Supports standard, dual, and quad serial peripheral interface modes for flexible data transfer speeds.
• Features uniform sector and block architecture allowing granular erase operations.
• Includes advanced security features such as hardware/software write protection and one-time programmable security registers.
• Provides execute-in-place (XIP) capability with continuous read wrap functionality.

Memory IC Applications

• Code storage in embedded systems requiring high-speed access
• Consumer electronics firmware storage
• Industrial control system applications
• IoT device configuration and data logging

Memory IC Procurement Notes

Verify the specific package variant (e.g., USON8 or SOP8) against the engineering drawing requirements. Confirm the operating temperature range matches the application environment specifications. Ensure the voltage supply aligns with the 1.65V to 2.1V operational limits. Check for any specific revision history updates that may affect pin compatibility or command sets before finalizing procurement.

Memory IC Selection Notes

Select this component when a low-voltage 1.8V operation is required for NOR flash memory. Consider the Quad SPI mode if higher data throughput is necessary compared to standard SPI. Evaluate the package size constraints to determine between USON8, SOP8, or other available footprints. Ensure the design accounts for the specific power-down and standby current characteristics for battery-operated devices.

Memory IC Part Context

This part belongs to the GD25LQ80C series of 1.8V Uniform Sector Dual and Quad Serial Flash memories. It is designed for applications needing reliable non-volatile storage with low power consumption. The series supports various industrial and commercial temperature ranges depending on the specific suffix. It integrates seamlessly into systems utilizing standard SPI controllers with appropriate mode switching commands.

Memory IC Replacement Considerations

GD25LQ80CTIG

Memory IC FAQ

How does the Quad Enable (QE) bit affect pin functionality?

When the QE bit is set to 1, the WP# and HOLD# pins are repurposed as IO2 and IO3 respectively to support Quad I/O operations. If QE is 0, these pins function as Write Protect and Hold inputs.

What is the purpose of the Status Register Protect (SRP) bits?

The SRP bits control the write protection method for the status register itself, allowing for software protection, hardware protection via the WP# pin, power supply lockdown, or one-time programmable permanent protection.