AT25M01-SHM-B

Product Overview

• Category: Integrated Circuit
• Use: Non-volatile Memory
• Characteristics: High-speed, Serial EEPROM
• Package: 8-lead SOIC
• Essence: Stores and retrieves digital information in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 1 Megabit (128K x 8)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 100 Years

Detailed Pin Configuration

The AT25M01-SHM-B 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. Ground (GND)
7. Power Supply (VCC)
8. Hold (/HOLD)

Functional Features

• High-speed data transfer with SPI interface
• Low power consumption
• Hardware and software write protection
• Flexible erase capability
• Sequential and random read modes
• Software controlled output drive strength

Advantages and Disadvantages

Advantages

• High-speed data transfer allows for quick access to stored information.
• Low power consumption ensures energy efficiency in electronic systems.
• Write protection features prevent accidental modification of stored data.
• Flexible erase capability enables efficient memory management.
• Sequential and random read modes provide versatility in accessing data.
• Software controlled output drive strength allows customization based on system requirements.

Disadvantages

• Limited storage capacity compared to other non-volatile memory options.
• Relatively higher cost per unit compared to alternative memory solutions.

Working Principles

The AT25M01-SHM-B is based on the Serial Peripheral Interface (SPI) protocol. It utilizes a combination of clock and data signals to transfer information between the integrated circuit and the host system. The memory cells within the device store digital information in a non-volatile manner, ensuring data retention even when power is removed. The SPI interface allows for high-speed data transfer, making it suitable for applications that require quick access to stored information.

Detailed Application Field Plans

The AT25M01-SHM-B is commonly used in various electronic systems that require non-volatile memory storage. Some of the application fields where this product finds utility include:

1. Consumer Electronics: Used in devices such as smart TVs, set-top boxes, and gaming consoles for storing configuration settings, firmware updates, and user data.
2. Automotive: Employed in automotive electronics for storing critical data like vehicle parameters, calibration values, and event logs.
3. Industrial Automation: Utilized in industrial control systems for storing program code, configuration data, and historical logs.
4. Medical Devices: Integrated into medical equipment for storing patient data, device settings, and firmware updates.
5. Internet of Things (IoT): Incorporated into IoT devices for storing sensor data, network configurations, and firmware updates.

Detailed and Complete Alternative Models

1. AT25M02-SHM-B: 2 Megabit (256K x 8) version of the AT25M01-SHM-B with similar specifications and features.
2. AT25M04-SHM-B: 4 Megabit (512K x 8) version of the AT25M01-SHM-B with increased storage capacity while maintaining compatibility.

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