GD25LB64EWIGR

Memory IC Overview

The GD25LB64EWIGR 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. The device supports Standard, Dual, and Quad SPI interfaces with a maximum clock frequency of 133MHz for fast read operations under a 30pF load. It features uniform sector architecture with 4K-byte sectors and 32/64K-byte blocks. Key performance metrics include a typical page program time of 0.4ms, sector erase time of 40ms, and block erase times of 0.15s or 0.2s. Standby current is typically 10μA, dropping to 1μA in deep power-down mode.

Memory IC Feature Summary

• Supports standard, dual, quad SPI, and QPI modes for flexible data transfer rates up to 532Mbits/s.
• Features software write protection with top/bottom block protection capabilities via status register bits.
• Includes advanced security features such as a 128-bit unique ID and three 3x1024-byte security registers with OTP locks.
• Enables Execute In Place (XiP) operation with continuous read with wrap functionality to reduce data latency.

Memory IC Applications

• Consumer electronics requiring code storage
• Industrial control systems needing reliable non-volatile memory
• Embedded applications utilizing Execute In Place (XiP) execution

Memory IC Procurement Notes

Verify the specific package variant required, as the GD25LB64E series is available in SOP8, VSOP8, USON8, and WSON8 configurations. Confirm that the system design strictly adheres to the 1.65V to 2.0V operating voltage range, as this component is not compatible with standard 3.3V supplies without level shifting. Ensure ESD precautions are taken during handling due to moisture sensitivity classification.

Memory IC Selection Notes

Select this component when a low-voltage (1.65V-2.0V) operation is mandatory for the target application. It is suitable for designs requiring high-speed serial access with dual or quad I/O capabilities. Consider the uniform sector architecture if consistent erase sizes are preferred over mixed sector layouts. Verify that the required package footprint matches one of the supported 8-lead options.

Memory IC Part Context

This part belongs to the GD25LB64E series of Uniform Sector Dual and Quad Serial Flash memories. It is designed for applications demanding high performance and low power consumption within a compact form factor. The series integrates advanced security features and flexible write protection mechanisms to safeguard data integrity in various embedded environments.

Memory IC Replacement Considerations

GD25LQ64EWIGR: Compatible but operates at 2.7V-3.6V; requires voltage level adjustment for 1.8V systems.

Memory IC FAQ

Is the Quad Enable (QE) bit configurable?

No, the QE bit is permanently set to 1 by default and cannot be changed, ensuring IO2 and IO3 pins are always enabled for Quad operations.

What is the default state of the device upon power-up?

Upon power-up, the device defaults to Standard/Dual/Quad SPI mode. QPI mode must be explicitly enabled using the 'Enable QPI' command.