GD25WD20CKIGR

Memory IC Overview

The GD25WD20CKIGR is a 2 Mbit Serial NOR Flash memory device manufactured by GigaDevice. It supports Standard SPI and Dual Output interfaces, enabling data transfer rates up to 160 Mbits/s. The device operates on a single power supply ranging from 1.65 V to 3.6 V. It features a uniform sector architecture with 4 K-byte sectors and 32/64 K-byte blocks. Key electrical characteristics include a maximum clock frequency of 100 MHz at 3.0–3.6 V and 70 MHz at 2.1–3.0 V. The component is housed in an 8-lead USON package measuring 1.5x1.5 mm.

Memory IC Feature Summary

• Supports standard SPI and Dual Output modes for flexible data transfer speeds.
• Features software and hardware write protection mechanisms via WP# pin and status register bits.
• Includes a 128-bit unique ID for each device to enhance security and traceability.
• Provides advanced data retention capabilities with typical endurance of 100,000 program/erase cycles.

Memory IC Applications

• Code storage in embedded systems requiring fast read access.
• Data logging applications utilizing the dual output interface for higher throughput.
• Secure IoT devices leveraging the built-in unique ID and write protection features.

Memory IC Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct package type and temperature range. Confirm that the requested variant matches the required voltage specifications and interface modes. Cross-reference the part number with the valid ordering information table provided in the documentation to avoid discrepancies in manufacturing revisions or package dimensions.

Memory IC Selection Notes

Select this component when a compact 2 Mbit non-volatile memory solution is required with support for dual I/O operations. Ensure the system design accommodates the 1.65 V to 3.6 V operating voltage range. Consider the USON8 package dimensions for PCB layout constraints. Verify that the application benefits from the uniform sector architecture for efficient erase operations.

Memory IC Part Context

This part belongs to the GD25WD40C/20C series of Uniform Sector Standard and Dual Serial Flash memories. The series is designed for high-performance applications requiring reliable data storage with low power consumption. The GD25WD20C variant specifically offers 2 Mbit capacity, distinguishing it from the 4 Mbit counterpart while sharing similar interface and protection features.

Memory IC Replacement Considerations

GD25WD20CEIGR

Memory IC FAQ

What is the maximum data transfer rate supported by the Dual Output mode?

The Dual Output mode supports a maximum data transfer rate of 160 Mbits/s.

How is hardware write protection enabled on this device?

Hardware write protection is enabled by driving the WP# pin low, which protects the Block Protect (BP) bits and Status Register Protect (SRP) bit when configured accordingly.