Adesto Technologies
Bild kan vara representation.
Se specifikationer för produktinformation.
AT45DB321E-MHF2B-T
Visa detalj Datablad

AT45DB321E-MHF2B-T

Product Overview

  • Category: Integrated Circuit
  • Use: Data Storage
  • Characteristics: High capacity, Serial Interface, Low Power Consumption
  • Package: 8-pin SOIC
  • Essence: Flash Memory
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Memory Size: 32 Megabits (4 Megabytes)
  • Interface: Serial Peripheral Interface (SPI)
  • Operating Voltage: 2.7V to 3.6V
  • Operating Temperature: -40°C to +85°C
  • Data Retention: 20 years
  • Page Size: 528 bytes
  • Sector Size: 4096 bytes
  • Write Endurance: 10,000 cycles

Pin Configuration

The AT45DB321E-MHF2B-T has the following pin configuration:

  1. Chip Select (/CS)
  2. Output Enable (/OE)
  3. Serial Clock (SCK)
  4. Serial Data Input (SI)
  5. Serial Data Output (SO)
  6. Write Protect (/WP)
  7. Reset (/RESET)
  8. VCC

Functional Features

  • Dual bank architecture for simultaneous read and write operations
  • Continuous burst mode for high-speed data transfer
  • Built-in sector protection and hardware data protection
  • Software and hardware write protection options
  • Deep power-down mode for ultra-low power consumption
  • Flexible erase capability (sector or full chip erase)

Advantages

  • High storage capacity allows for large data storage requirements
  • Serial interface enables easy integration with microcontrollers
  • Low power consumption extends battery life in portable devices
  • Sector protection ensures data integrity and security
  • Deep power-down mode reduces standby power consumption

Disadvantages

  • Limited write endurance compared to other non-volatile memory technologies
  • Relatively higher cost per bit compared to traditional storage mediums

Working Principles

The AT45DB321E-MHF2B-T is based on the flash memory technology. It utilizes a combination of floating-gate transistors and NAND logic to store data in a non-volatile manner. The serial interface allows for easy communication with microcontrollers, enabling efficient data transfer and storage.

Application Field Plans

The AT45DB321E-MHF2B-T is widely used in various applications, including:

  1. Consumer Electronics: Digital cameras, portable media players, gaming consoles
  2. Industrial Automation: Data loggers, control systems, robotics
  3. Automotive: Infotainment systems, navigation devices, engine management
  4. Medical Devices: Patient monitoring systems, diagnostic equipment, medical imaging
  5. Communication Systems: Routers, switches, network storage devices

Alternative Models

  • AT45DB321D-MU
  • AT45DB321D-SU
  • AT45DB321D-TU
  • AT45DB321D-CNU
  • AT45DB321D-CNU-SL955

These alternative models offer similar functionality and compatibility with the AT45DB321E-MHF2B-T, providing options for different package types or additional features.

In conclusion, the AT45DB321E-MHF2B-T is a high-capacity flash memory integrated circuit designed for data storage applications. Its serial interface, low power consumption, and sector protection features make it suitable for a wide range of industries. While it has limitations in terms of write endurance and cost, it offers reliable and efficient data storage solutions.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av AT45DB321E-MHF2B-T i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of AT45DB321E-MHF2B-T in technical solutions:

  1. Q: What is the AT45DB321E-MHF2B-T? A: The AT45DB321E-MHF2B-T is a serial flash memory device manufactured by Adesto Technologies. It offers 32 megabits (4 megabytes) of storage capacity.

  2. Q: What are some typical applications for the AT45DB321E-MHF2B-T? A: This flash memory device is commonly used in various embedded systems, IoT devices, industrial automation, consumer electronics, and automotive applications.

  3. Q: What is the interface used to communicate with the AT45DB321E-MHF2B-T? A: The AT45DB321E-MHF2B-T uses a standard SPI (Serial Peripheral Interface) for communication with microcontrollers or other devices.

  4. Q: What is the operating voltage range of the AT45DB321E-MHF2B-T? A: The AT45DB321E-MHF2B-T operates within a voltage range of 2.7V to 3.6V.

  5. Q: Can I use the AT45DB321E-MHF2B-T as a boot device for my microcontroller? A: Yes, this flash memory device can be used as a boot device, allowing you to store and execute code during system startup.

  6. Q: Does the AT45DB321E-MHF2B-T support wear-leveling algorithms? A: No, the AT45DB321E-MHF2B-T does not have built-in wear-leveling algorithms. If wear-leveling is required, it needs to be implemented at the software level.

  7. Q: What is the maximum data transfer rate of the AT45DB321E-MHF2B-T? A: The maximum data transfer rate of this flash memory device is 66 megabits per second (Mbps).

  8. Q: Can I perform in-system programming (ISP) on the AT45DB321E-MHF2B-T? A: Yes, the AT45DB321E-MHF2B-T supports in-system programming, allowing you to update the contents of the flash memory while it is connected to the system.

  9. Q: Does the AT45DB321E-MHF2B-T have any built-in security features? A: Yes, this flash memory device provides several security features like software and hardware protection mechanisms to prevent unauthorized access or modification of data.

  10. Q: Are there any specific temperature or humidity requirements for operating the AT45DB321E-MHF2B-T? A: The AT45DB321E-MHF2B-T has an extended temperature range of -40°C to +85°C and can operate in a wide range of humidity levels without any specific requirements.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.