GD25D40CTEGR

Memory IC Overview

The GD25D40CTEGR is a 4M-bit (512K x 8) Serial NOR Flash memory manufactured by GigaDevice. It operates on a single 3.3V power supply within the 2.7V to 3.6V range. The device supports Standard SPI and Dual Output interfaces, with clock frequencies reaching up to 104MHz for fast read operations under standard load conditions. It features a uniform sector architecture comprising 4K-byte sectors and 32/64K-byte blocks. Key electrical parameters include a typical standby current of 0.1µA and data retention exceeding 20 years.

Memory IC Feature Summary

• Supports Dual Output mode for high-speed data transfer using bidirectional I/O pins.
• Provides flexible software and hardware write protection mechanisms via status register bits and dedicated control pins.
• Includes advanced security features such as a unique 128-bit identifier for each device.

Memory IC Applications

• Firmware storage in embedded systems
• Code execution in XIP (Execute-In-Place) applications
• Data logging in industrial control devices

Memory IC Procurement Notes

Verify the specific ordering suffix 'TEGR' against official manufacturer documentation to confirm package type and temperature grade. Ensure compatibility with system voltage levels and interface requirements before integration. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Memory IC Selection Notes

Select this component for applications requiring uniform sector erase capabilities and dual I/O speed enhancements. Consider the SOP8 or USON8 package options based on board space constraints. Evaluate power consumption requirements against the specified standby and active currents.

Memory IC Part Context

This part belongs to the GD25D40C series of 3.3V Uniform Sector Standard and Dual Serial Flash memories. It shares architectural similarities with other members of the GD25D family but is distinguished by its specific capacity and interface support. The series is designed for cost-effective non-volatile storage solutions.

Memory IC Replacement Considerations

GD25D40CTIG

Memory IC FAQ

What is the maximum clock frequency for fast read operations?

The device supports a clock frequency of up to 104MHz for fast read operations when loaded with a 30pF capacitance.

How does the Dual Output mode improve performance?

Dual Output mode allows data to be transferred at twice the rate of standard SPI by utilizing both IO0 and IO1 pins simultaneously, achieving data transfer speeds up to 160Mbits/s.