GD25LQ16CSIGR

Memory IC Overview

The GD25LQ16CSIGR is a 16M-bit Serial NOR Flash memory device manufactured by GigaDevice. It operates on a single 1.8V power supply with a voltage range of 1.65V to 2.1V. The device supports Standard, Dual, and Quad SPI interfaces, achieving a maximum clock frequency of 104MHz for fast read operations. It features a uniform sector architecture with 4K-byte sectors and 32/64K-byte blocks. The memory organization consists of 2M x 8 bits, organized into 256-byte pages. It includes hardware and software write protection mechanisms.

Memory IC Feature Summary

• Supports Standard, Dual, and Quad SPI interfaces for flexible data transfer rates.
• Features uniform sector and block architecture for efficient erase operations.
• Includes advanced security features such as hardware/software write protection and unique ID.
• Designed for low power consumption with deep power-down mode capabilities.

Memory IC Applications

• Code storage for microcontrollers and processors
• Firmware storage in embedded systems
• Data logging applications requiring non-volatile storage

Memory IC Procurement Notes

Verify the specific ordering suffix 'SIGR' corresponds to the SOP-8 package and tape & reel packaging configuration. Confirm the industrial temperature range (-40°C to +85°C) matches your system requirements. Check for RoHS compliance status and moisture sensitivity level (MSL 3) handling instructions during assembly. Ensure the component is suitable for new designs or verify end-of-life status if applicable.

Memory IC Selection Notes

Select this component when a 16M-bit capacity with 1.8V operation is required. Consider the SOP-8 package size constraints and the need for Quad SPI support for higher throughput. Evaluate the uniform sector architecture against application-specific erase granularity needs. Compare power consumption metrics in active and standby modes against alternative devices.

Memory IC Part Context

The GD25LQ16C series is part of GigaDevice's 1.8V Uniform Sector Dual and Quad Serial Flash portfolio. This series targets applications requiring high performance and low power consumption. The GD25LQ16CSIGR specifically denotes the SOP-8 package variant within this family, offering a balance of density and interface flexibility for various embedded memory solutions.

Memory IC Replacement Considerations

GD25LQ16ENIGR: USON-8 package, 133MHz max clock.

Memory IC FAQ

What is the difference between Standard SPI and Quad SPI modes?

Standard SPI uses four signals (SCLK, CS#, SI, SO), while Quad SPI utilizes four bidirectional I/O lines (IO0-IO3) to transfer data at four times the rate of standard SPI, requiring the Quad Enable (QE) bit to be set.

How is write protection implemented in the GD25LQ16CSIGR?

Write protection is achieved through software commands (Block Protect bits in the Status Register) and hardware control via the WP# pin. The SRP bits determine whether the protection settings are software-controlled or hardware-locked.