AT25DF041A-MH-Y

Product Overview

• Category: Integrated Circuit
• Use: Non-volatile Serial Flash Memory
• Characteristics:
  • High-speed performance
  • Low power consumption
  • Wide operating voltage range
  • Small form factor
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Reliable and efficient non-volatile memory solution
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications

• Memory Size: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: More than 20 years
• Program/Erase Cycles: 100,000 cycles

Pin Configuration

The AT25DF041A-MH-Y has the following pin configuration:

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

Functional Features

• High-speed read and write operations
• Sector erase and bulk erase functions
• Software and hardware protection mechanisms
• Deep power-down mode for low-power operation
• Continuous read mode for efficient data transfer

Advantages

• Fast data access and transfer speeds
• Low power consumption extends battery life
• Wide operating voltage range allows compatibility with various systems
• Compact package size saves board space
• Reliable and durable non-volatile memory solution

Disadvantages

• Limited memory size compared to higher capacity flash memories
• Higher cost per megabit compared to larger memory chips

Working Principles

The AT25DF041A-MH-Y utilizes the Serial Peripheral Interface (SPI) for communication with a host microcontroller. It stores data in non-volatile memory cells, which retain information even when power is removed. The chip supports various operations such as reading, writing, erasing, and protecting data. It operates within a specified voltage range and temperature range, ensuring reliable performance in different environments.

Detailed Application Field Plans

The AT25DF041A-MH-Y is commonly used in applications that require non-volatile storage of data, such as:

1. Consumer Electronics:

   • Set-top boxes
   • Digital cameras
   • Portable media players

2. Industrial Control Systems:

   • Programmable logic controllers (PLCs)
   • Human-machine interfaces (HMIs)
   • Data loggers

3. Automotive Electronics:

   • Infotainment systems
   • Instrument clusters
   • Electronic control units (ECUs)

4. Communication Devices:

   • Routers
   • Modems
   • Network switches

Detailed and Complete Alternative Models

1. AT25DF321A-MH-Y: 32 Megabit (4 Megabyte) Serial Flash Memory
2. AT25DF641A-MH-Y: 64 Megabit (8 Megabyte) Serial Flash Memory
3. AT25DF161A-MH-Y: 16 Megabit (2 Megabyte) Serial Flash Memory

These alternative models offer higher memory capacities while maintaining similar characteristics and functionality to the AT25DF041A-MH-Y.

In conclusion, the AT25DF041A-MH-Y is a reliable and efficient non-volatile serial flash memory solution. With its high-speed performance, low power consumption, and small form factor, it finds applications in various industries. While it has limitations in terms of memory size and cost, alternative models with higher capacities are available for different requirements.