GD25LT512MEYAGR

Memory IC Overview

The GD25LT512MEYAGR is a 512 Mbit SPI NOR Flash memory manufactured by GigaDevice. It operates within a supply voltage range of 1.65 V to 2.0 V and supports a maximum clock frequency of 166 MHz. The device features Single I/O, Quad I/O, and QPI interface modes. It is designed for industrial temperature ranges, specifically -40°C to +85°C, -40°C to +105°C, and -40°C to +125°C. Key functional attributes include hardware reset capability, write protection, security registers with OTP locks, and unique ID support.

Memory IC Feature Summary

• Supports Single I/O, Quad I/O, and QPI bus interfaces for flexible data transfer modes.
• Integrates hardware-based ECC algorithms and CRC checksums for data integrity.
• Includes hardware reset functionality and dedicated write protection pins.
• Features security registers with One-Time Programmable (OTP) lock capabilities.

Memory IC Applications

• Industrial control systems requiring wide temperature tolerance
• Automotive electronics meeting AEC-Q100 standards
• Embedded code storage in IoT devices
• Consumer electronics firmware storage

Memory IC Procurement Notes

Verify the specific temperature grade suffix required for your application environment, as the GD25LT512 series offers multiple industrial ratings (-40°C to +85°C, +105°C, or +125°C). Confirm package availability, as this part may be offered in SOP-16, WSON-8, or TFBGA-24 configurations depending on the exact suffix. Ensure compatibility with the 1.65V to 2.0V voltage domain before integration into the system design.

Memory IC Selection Notes

Select this component when low-voltage operation between 1.65V and 2.0V is mandatory. Choose based on the required operating temperature range, as different suffixes correspond to distinct thermal specifications. Consider the package type (SOP-16, WSON-8, or TFBGA-24) relative to PCB space constraints. Verify that the host controller supports the necessary SPI modes, including Quad I/O and QPI, to utilize the full performance potential.

Memory IC Part Context

This part belongs to the GD25LT series of SPI NOR Flash memories from GigaDevice. The series is characterized by its low-voltage operation (1.65V–2.0V) and robust feature set including hardware ECC and security locks. It targets applications demanding high reliability and functional safety, such as automotive and industrial sectors, offering densities up to 512Mb with various package options.

Memory IC Replacement Considerations

GD25LB512MEYAGR: Similar density but typically operates at 1.8V/3.3V domains; verify voltage compatibility. GD25LR512MF: Different interface speeds and package options; check electrical specifications. GD25B512MEYEGR: Higher voltage range (2.7V–3.6V); not directly compatible without level shifting.