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AT25DF256-XMHNGU-T
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AT25DF256-XMHNGU-T

Product Overview

Category

AT25DF256-XMHNGU-T belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

  • Non-volatile memory: The stored data is retained even when power is removed.
  • High storage capacity: The AT25DF256-XMHNGU-T has a capacity of 256 megabits (32 megabytes).
  • Serial interface: It uses a serial peripheral interface (SPI) for communication with the host device.
  • Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Package

The AT25DF256-XMHNGU-T is available in a small form factor package, commonly known as an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of AT25DF256-XMHNGU-T lies in its ability to provide reliable and high-capacity non-volatile storage in a compact package, making it ideal for various electronic devices.

Packaging/Quantity

The product is typically packaged in reels or tubes, containing a specific quantity of devices per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

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

Detailed Pin Configuration

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

Functional Features

  • High-speed data transfer: The AT25DF256-XMHNGU-T supports fast read and write operations, enabling efficient data handling.
  • Sector-based erasure: The memory can be erased in sectors, allowing for selective data modification without affecting the entire storage.
  • Write protection: The device includes a write protect pin (/WP) that can be used to prevent accidental or unauthorized data modifications.
  • Deep power-down mode: It offers a low-power mode where the device consumes minimal power, extending battery life in portable applications.

Advantages and Disadvantages

Advantages

  • Large storage capacity
  • Compact form factor
  • Low power consumption
  • High-speed data transfer
  • Sector-based erasure for selective modification

Disadvantages

  • Limited endurance of erase/program cycles
  • Requires an external microcontroller or host device for operation

Working Principles

The AT25DF256-XMHNGU-T utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The device can be accessed by sending commands through the SPI interface, allowing for reading, writing, erasing, and other operations on the stored data.

Detailed Application Field Plans

The AT25DF256-XMHNGU-T finds applications in various electronic devices, including but not limited to: - Consumer electronics: Smartphones, tablets, digital cameras - Automotive systems: Infotainment systems, instrument clusters - Industrial equipment: Measurement devices, control systems - Communication devices: Routers, modems

Detailed and Complete Alternative Models

  • AT25DF512C-XMHNGU-T: 512 Megabit (64 Megabyte) capacity
  • AT25DF010A-XMHNGU-T: 1 Megabit (128 Kilobyte) capacity
  • AT25DF020A-XMHNGU-T: 2 Megabit (256 Kilobyte) capacity
  • AT25DF040A-XMHNGU-T: 4 Megabit (512 Kilobyte) capacity

These alternative models offer different storage capacities to cater to various application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT25DF256-XMHNGU-T en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT25DF256-XMHNGU-T in technical solutions:

  1. Q: What is the AT25DF256-XMHNGU-T? A: The AT25DF256-XMHNGU-T is a serial flash memory device manufactured by Microchip Technology. It has a capacity of 256 megabits (32 megabytes) and operates on a Serial Peripheral Interface (SPI).

  2. Q: What are the typical applications of AT25DF256-XMHNGU-T? A: The AT25DF256-XMHNGU-T is commonly used in various electronic devices, such as consumer electronics, industrial equipment, automotive systems, and IoT devices, for storing program code, configuration data, or other non-volatile information.

  3. Q: What is the operating voltage range of AT25DF256-XMHNGU-T? A: The AT25DF256-XMHNGU-T operates within a voltage range of 2.7V to 3.6V.

  4. Q: What is the maximum clock frequency supported by AT25DF256-XMHNGU-T? A: The AT25DF256-XMHNGU-T supports a maximum clock frequency of 85 MHz.

  5. Q: Does AT25DF256-XMHNGU-T support multiple SPI modes? A: Yes, the AT25DF256-XMHNGU-T supports four different SPI modes (0, 1, 2, and 3), allowing flexibility in communication with the host microcontroller.

  6. Q: Can I perform both read and write operations on AT25DF256-XMHNGU-T? A: Yes, the AT25DF256-XMHNGU-T supports both read and write operations. It can be used for both storing and retrieving data.

  7. Q: What is the typical endurance of AT25DF256-XMHNGU-T? A: The AT25DF256-XMHNGU-T has a typical endurance of 100,000 write cycles per sector.

  8. Q: Does AT25DF256-XMHNGU-T have any built-in security features? A: Yes, the AT25DF256-XMHNGU-T provides hardware and software protection mechanisms, such as write protection, block protection, and password protection, to secure the stored data.

  9. Q: Can I perform software or firmware updates using AT25DF256-XMHNGU-T? A: Yes, the AT25DF256-XMHNGU-T can be used for software or firmware updates in devices that support over-the-air (OTA) updates or require field upgradability.

  10. Q: Is AT25DF256-XMHNGU-T RoHS compliant? A: Yes, the AT25DF256-XMHNGU-T is compliant with the Restriction of Hazardous Substances (RoHS) directive, ensuring it meets environmental standards.

Please note that these answers are general and may vary depending on specific implementation details and requirements.