Adesto Technologies
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
AT45DB321E-MHF2B-T
vedi dettagli Schede tecniche

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.

10 domande e risposte comuni relative all'applicazione di AT45DB321E-MHF2B-T nelle soluzioni tecniche

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.