N25Q256A73ESF40G

Basic Information Overview

• Category: Non-volatile Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics:
  • High capacity
  • Fast read and write speeds
  • Low power consumption
• Package: Small form factor package (e.g., BGA)
• Essence: Flash memory chip
• Packaging/Quantity: Typically sold in reels or trays containing multiple chips

Specifications

• Capacity: 256 Megabits (32 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Cycle Endurance: 100,000 cycles
• Data Retention: Up to 20 years

Detailed Pin Configuration

The N25Q256A73ESF40G has a standard pin configuration for SPI flash memory chips. The pins are as follows:

1. Chip Select (/CS)
2. Serial Clock (SCLK)
3. Serial Data Input (SI/MOSI)
4. Serial Data Output (SO/MISO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. Ground (GND)
8. Power Supply (VCC)

Functional Features

• High-speed data transfer using the SPI interface
• Sector erase and byte/page program operations
• Dual and Quad I/O modes for increased data transfer rates
• Advanced security features like hardware protection of memory regions
• Efficient power management with deep power-down mode

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast read and write speeds - Low power consumption - Compact package size - Enhanced security features

Disadvantages: - Limited endurance compared to other non-volatile memory types - Relatively higher cost per bit compared to some alternatives

Working Principles

The N25Q256A73ESF40G is based on the NOR flash memory technology. It stores data in a grid of memory cells, where each cell represents a bit of information. The memory cells are organized into sectors, which can be individually erased and programmed. The SPI interface allows for easy communication with the chip, enabling read and write operations.

Detailed Application Field Plans

The N25Q256A73ESF40G is widely used in various electronic devices that require non-volatile storage, such as: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive systems (e.g., infotainment systems, instrument clusters) - Industrial equipment (e.g., control systems, data loggers) - Networking devices (e.g., routers, switches)

Detailed and Complete Alternative Models

• N25Q128A13EF840E: 128 Megabit capacity, similar features and specifications
• N25Q512A83EF840F: 512 Megabit capacity, similar features and specifications
• N25Q1G83EF840D: 1 Gigabit capacity, similar features and specifications

These alternative models offer different capacities while maintaining compatibility and similar functionality to the N25Q256A73ESF40G.

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