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AT25DF021-SSHF-B

AT25DF021-SSHF-B

Product Overview

Category

AT25DF021-SSHF-B belongs to the category of Serial Flash Memory.

Use

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

Characteristics

  • High storage capacity
  • Fast read and write operations
  • Low power consumption
  • Compact size
  • Durable and reliable

Package

AT25DF021-SSHF-B is available in a small surface-mount package, making it suitable for integration into various electronic devices.

Essence

The essence of this product lies in its ability to provide non-volatile memory storage with high performance and reliability.

Packaging/Quantity

AT25DF021-SSHF-B is typically packaged in reels or trays, with a quantity of 2500 units per reel/tray.

Specifications

  • Memory Size: 2 Megabits (256 Kilobytes)
  • Interface: Serial Peripheral Interface (SPI)
  • Voltage Range: 2.7V to 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Data Retention: Up to 20 years
  • Erase/Program Cycles: 100,000 cycles

Detailed 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
  • Sector erase and program operations
  • Software and hardware protection mechanisms
  • Flexible programming options
  • Efficient power management

Advantages

  • Large storage capacity for data-intensive applications
  • Fast read and write speeds enhance overall system performance
  • Low power consumption prolongs battery life in portable devices
  • Compact size allows for easy integration into space-constrained designs
  • Durable and reliable memory technology ensures data integrity

Disadvantages

  • Limited erase/program cycles may affect the lifespan of the device
  • Higher cost compared to traditional non-volatile memory options
  • Requires a dedicated SPI interface, limiting compatibility with certain systems

Working Principles

AT25DF021-SSHF-B utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host system. It stores data in non-volatile memory cells, which retain information even when power is removed. The device employs various algorithms and mechanisms to ensure data integrity, such as error correction codes and wear-leveling techniques.

Detailed Application Field Plans

AT25DF021-SSHF-B finds applications in various electronic devices, including but not limited to: - Consumer electronics (smartphones, tablets, digital cameras) - Automotive systems (infotainment, navigation) - Industrial equipment (measurement devices, control systems) - Medical devices (patient monitoring, diagnostic equipment) - Communication devices (routers, modems)

Detailed and Complete Alternative Models

  1. AT25DF041A-SSH-B: 4 Megabit Serial Flash Memory
  2. AT25DF081A-SSH-B: 8 Megabit Serial Flash Memory
  3. AT25DF161-SSH-B: 16 Megabit Serial Flash Memory
  4. AT25DF321A-SSH-B: 32 Megabit Serial Flash Memory
  5. AT25DF641-SSH-B: 64 Megabit Serial Flash Memory

These alternative models offer higher storage capacities while maintaining similar characteristics and functionality to AT25DF021-SSHF-B.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT25DF021-SSHF-B v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT25DF021-SSHF-B:

  1. Q: What is AT25DF021-SSHF-B? A: AT25DF021-SSHF-B is a serial flash memory chip manufactured by Adesto Technologies.

  2. Q: What is the storage capacity of AT25DF021-SSHF-B? A: AT25DF021-SSHF-B has a storage capacity of 2 megabits (256 kilobytes).

  3. Q: What is the operating voltage range for AT25DF021-SSHF-B? A: The operating voltage range for AT25DF021-SSHF-B is typically between 2.7V and 3.6V.

  4. Q: What interface does AT25DF021-SSHF-B use? A: AT25DF021-SSHF-B uses the Serial Peripheral Interface (SPI) for communication.

  5. Q: Can AT25DF021-SSHF-B be used in industrial applications? A: Yes, AT25DF021-SSHF-B is designed to withstand harsh industrial environments and can be used in industrial applications.

  6. Q: Does AT25DF021-SSHF-B support high-speed data transfer? A: Yes, AT25DF021-SSHF-B supports high-speed data transfer with a maximum clock frequency of 104 MHz.

  7. Q: Is AT25DF021-SSHF-B compatible with both 3.3V and 5V systems? A: No, AT25DF021-SSHF-B is only compatible with 3.3V systems.

  8. Q: Can AT25DF021-SSHF-B be reprogrammed multiple times? A: Yes, AT25DF021-SSHF-B supports multiple reprogramming cycles, making it suitable for applications that require frequent updates.

  9. Q: Does AT25DF021-SSHF-B have built-in security features? A: Yes, AT25DF021-SSHF-B provides hardware and software protection mechanisms to ensure data security.

  10. Q: What is the temperature range for AT25DF021-SSHF-B? A: AT25DF021-SSHF-B can operate within a temperature range of -40°C to +85°C.

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