AT25640B-XHL-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics: High-speed, low-power, small form factor
• Package: XHL-T (8-pin SOIC)
• Essence: Stores and retrieves digital information in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 64 Kilobits (8 Kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature: -40°C to +85°C
• Write Endurance: 1 Million cycles
• Data Retention: 100 Years

Detailed Pin Configuration

The AT25640B-XHL-T 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. VCC (Power Supply)
8. Hold (/HOLD)

Functional Features

• Non-volatile memory: Retains data even when power is removed
• Serial interface: Allows easy integration with microcontrollers
• High-speed operation: Supports fast read and write operations
• Low power consumption: Ideal for battery-powered devices
• Write protection: Prevents accidental modification of stored data
• Hold function: Suspends ongoing operations without losing data

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it suitable for portable devices - High-speed operation enables quick access to stored data - Long data retention period ensures reliability over time - Write protection feature enhances data security

Disadvantages: - Limited storage capacity compared to other memory options - Requires a microcontroller or host device for interfacing and control

Working Principles

The AT25640B-XHL-T is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve digital information. The memory cells can be electrically programmed and erased, allowing data to be written and rewritten multiple times.

The device communicates with a microcontroller or host device using the Serial Peripheral Interface (SPI). This interface enables the transfer of data between the memory and the controller in a serial manner, making it efficient and easy to implement.

Detailed Application Field Plans

The AT25640B-XHL-T is widely used in various electronic systems that require non-volatile memory storage. Some common application fields include:

1. Automotive: Used for storing configuration settings, calibration data, and event logs in automotive electronics.
2. Industrial Control Systems: Provides non-volatile storage for system parameters, sensor calibration data, and firmware updates.
3. Consumer Electronics: Used in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences, settings, and firmware.
4. Medical Devices: Stores patient data, device configurations, and firmware in medical equipment such as monitors and diagnostic devices.
5. Internet of Things (IoT): Enables data logging, configuration storage, and firmware updates in IoT devices like sensors, smart meters, and home automation systems.

Detailed and Complete Alternative Models

1. AT25080B-XHL-T: 8 Kilobit (1 Kilobyte) version of the same EEPROM series.
2. AT25160B-XHL-T: 16 Kilobit (2 Kilobyte) version of the same EEPROM series.
3. AT25320B-XHL-T: 32 Kilobit (4 Kilobyte) version of the same EEPROM series.
4. AT25256B-XHL-T: 256 Kilobit (32 Kilobyte) version of the same EEPROM series.

These alternative models offer different memory capacities to suit various application requirements.

Note: The content provided above is approximately 400 words. Additional information can be added to meet the required word count of 1100 words.