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AT25256B-XHL-B
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AT25256B-XHL-B

Product Overview

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

Specifications

  • Memory Size: 256 Kbits (32 Kbytes)
  • Interface: SPI (Serial Peripheral Interface)
  • Operating Voltage: 1.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Write Endurance: 1 million cycles
  • Data Retention: 100 years

Detailed Pin Configuration

The AT25256B-XHL-B has the following pin configuration:

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

Functional Features

  • High-speed data transfer with SPI interface
  • Low power consumption for energy-efficient operation
  • Write protection and hold functions for data security
  • Wide operating voltage range for compatibility with various systems
  • Compact package size for space-constrained applications

Advantages and Disadvantages

Advantages: - Fast data transfer rate - Low power consumption - Secure data storage with write protection - Long data retention period - Versatile operating voltage range

Disadvantages: - Limited memory size compared to other EEPROMs - Relatively higher cost per bit of memory

Working Principles

The AT25256B-XHL-B is a non-volatile memory device that uses electrically erasable programmable read-only memory (EEPROM) technology. It stores digital information by trapping electric charges within its memory cells. The stored data can be accessed and modified using the Serial Peripheral Interface (SPI) protocol.

Detailed Application Field Plans

The AT25256B-XHL-B is widely used in various electronic systems, including but not limited to:

  1. Consumer Electronics: Smartphones, tablets, digital cameras
  2. Automotive: Engine control units, infotainment systems
  3. Industrial Automation: Programmable logic controllers, sensors
  4. Medical Devices: Patient monitoring systems, diagnostic equipment
  5. Communication Systems: Routers, modems, network switches

Detailed and Complete Alternative Models

  1. AT25080B-XHL-B: 8 Kbit (1 Kbyte) EEPROM with similar specifications
  2. AT25128B-XHL-B: 128 Kbit (16 Kbyte) EEPROM with similar specifications
  3. AT25512B-XHL-B: 512 Kbit (64 Kbyte) EEPROM with similar specifications
  4. AT25DF256A-XHL-B: 256 Kbit (32 Kbyte) Serial Flash Memory with similar pin configuration

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

This encyclopedia entry provides an overview of the AT25256B-XHL-B, including its product category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT25256B-XHL-B en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT25256B-XHL-B in technical solutions:

  1. Q: What is AT25256B-XHL-B? A: AT25256B-XHL-B is a specific model of EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by a company called Microchip Technology.

  2. Q: What is the capacity of AT25256B-XHL-B? A: The AT25256B-XHL-B has a capacity of 256 kilobits, which is equivalent to 32 kilobytes.

  3. Q: What are some common applications of AT25256B-XHL-B? A: AT25256B-XHL-B is commonly used in various electronic devices for storing small amounts of non-volatile data, such as configuration settings, calibration data, or user preferences.

  4. Q: How does AT25256B-XHL-B connect to a microcontroller or other devices? A: AT25256B-XHL-B uses a standard SPI (Serial Peripheral Interface) protocol for communication with microcontrollers or other devices.

  5. Q: Can AT25256B-XHL-B be easily soldered onto a PCB (Printed Circuit Board)? A: Yes, AT25256B-XHL-B comes in a standard 8-pin SOIC (Small Outline Integrated Circuit) package, which can be easily soldered onto a PCB.

  6. Q: Is AT25256B-XHL-B compatible with both 3.3V and 5V systems? A: Yes, AT25256B-XHL-B supports both 3.3V and 5V power supply voltages, making it compatible with a wide range of systems.

  7. Q: Can AT25256B-XHL-B be reprogrammed multiple times? A: Yes, AT25256B-XHL-B is an EEPROM, which means it can be electrically erased and reprogrammed multiple times.

  8. Q: What is the maximum operating frequency of AT25256B-XHL-B? A: The maximum operating frequency of AT25256B-XHL-B is 20 MHz.

  9. Q: Does AT25256B-XHL-B have any built-in security features? A: Yes, AT25256B-XHL-B supports software write protection, which allows certain memory areas to be protected from accidental or unauthorized writes.

  10. Q: Is AT25256B-XHL-B RoHS compliant? A: Yes, AT25256B-XHL-B is RoHS (Restriction of Hazardous Substances) compliant, meaning it does not contain any restricted substances that are harmful to the environment or human health.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.