The N25Q256A73ESF40F is a 256Mb (268,435,456 bits) Serial Flash Memory device from Micron Technology, belonging to the N25Q family. This memory is recognized for its reliability, high performance, and low power consumption. It communicates via a standard Serial Peripheral Interface (SPI), enabling seamless integration into a wide range of embedded systems.

Applications

• Embedded systems for storing boot code, application code, and configuration data.
• Automotive systems: Used in navigation systems, infotainment systems, and advanced driver-assistance systems (ADAS) for storing maps, firmware, and calibration data.
• Industrial automation: Implemented in programmable logic controllers (PLCs) and human-machine interfaces (HMIs) for program storage, data logging, and configuration settings.
• Networking equipment: Used in routers, switches, and other network devices for storing firmware, configuration files, and routing tables.
• Consumer electronics: Employed in set-top boxes, digital TVs, printers, and gaming consoles to store firmware and application data.

Features

• Density: 256Mb (268,435,456 bits)
• Interface: SPI (Serial Peripheral Interface)
• Supply Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Page Size: 256 bytes
• Sector Size: 4 KB
• Block Size: 64 KB
• High Performance: Delivers fast read and write speeds for enhanced system responsiveness.
• Security Features: Incorporates block protection and password protection to secure stored data against unauthorized access.
• Advanced Sector Protection: Offers individual sector locking for safeguarding critical code and data.
• Serial Command Set: Follows an industry-standard serial command set, facilitating easy control and integration.

Benefits

• Reliable Storage: Provides non-volatile storage, ensuring data retention even in the event of power loss.
• High Capacity: Offers ample storage space for large code bases, extensive data sets, and detailed configuration settings.
• Fast Performance: Enables quick boot times and efficient data access, improving overall system efficiency.
• Low Power Consumption: Minimizes power usage, making it ideal for battery-powered and energy-sensitive applications.
• Compact Size: Features a small footprint, allowing for integration in space-constrained devices.
• Simplified Integration: Utilizes a standard SPI interface for effortless connection to microcontrollers and other system components.

Additional Details

The N25Q256A73ESF40F supports standard, dual, and quad SPI operation modes, providing flexible data transfer options. It features a deep power-down mode for minimizing power consumption when the device is not in active use. The device is available in various package options to meet diverse design requirements. It also offers advanced features like one-time programmable (OTP) memory for securely storing critical data. The extended temperature range ensures reliable operation in harsh industrial environments.