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AT45DB161E-SHD-B
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AT45DB161E-SHD-B

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Data Storage
  • Characteristics: High-speed, Serial Interface, Non-volatile Memory
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Flash Memory IC
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Memory Size: 16 Megabits (2 Megabytes)
  • Interface: Serial Peripheral Interface (SPI)
  • Operating Voltage: 2.7V to 3.6V
  • Operating Temperature: -40°C to +85°C
  • Read/Write Speed: Up to 66 MHz
  • Data Retention: More than 20 years
  • Endurance: 10,000 erase/write cycles

Pin Configuration

The AT45DB161E-SHD-B has the following pin configuration:

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

Functional Features

  • High-speed data transfer using SPI interface
  • Sector-based architecture for efficient memory management
  • Page programming and erase operations
  • Continuous read mode for sequential data access
  • Software and hardware protection mechanisms
  • Low power consumption in standby mode

Advantages

  • Compact package size allows for space-efficient designs
  • High-speed operation enables quick data transfers
  • Non-volatile memory retains data even when power is lost
  • Wide operating temperature range for versatile applications
  • Reliable endurance and data retention characteristics

Disadvantages

  • Limited storage capacity compared to larger memory ICs
  • Erase/write cycles are limited, requiring careful management
  • Higher cost per unit compared to some other memory options

Working Principles

The AT45DB161E-SHD-B is based on flash memory technology. It utilizes a serial interface (SPI) for communication with the host microcontroller. The memory is organized into sectors and pages, allowing for efficient data storage and retrieval. Data can be written to or read from the memory using the appropriate commands over the SPI bus. The IC also incorporates various protection mechanisms to prevent accidental data corruption.

Application Field Plans

The AT45DB161E-SHD-B is suitable for a wide range of applications, including:

  1. Consumer Electronics: Digital cameras, portable media players, gaming consoles.
  2. Industrial Control Systems: Data loggers, automation equipment, control panels.
  3. Automotive Electronics: Infotainment systems, instrument clusters, navigation devices.
  4. Medical Devices: Patient monitoring systems, diagnostic equipment, medical imaging.
  5. Communication Systems: Routers, modems, network switches.

Alternative Models

Here are some alternative models that offer similar functionality:

  1. AT25SF041-SSHD-T: 4 Megabit Serial Flash Memory, 8-pin SOIC package.
  2. MX25L1606E-M2I-12G: 16 Megabit Serial Flash Memory, 8-pin SOP package.
  3. W25Q16JVSSIQ: 16 Megabit Serial Flash Memory, 8-pin SOIC package.

These alternatives can be considered based on specific requirements and availability.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av AT45DB161E-SHD-B i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of AT45DB161E-SHD-B in technical solutions:

  1. Q: What is the AT45DB161E-SHD-B? A: The AT45DB161E-SHD-B is a serial flash memory device with a capacity of 16 megabits (2 megabytes). It is commonly used for data storage in various electronic devices.

  2. Q: What is the interface used to communicate with the AT45DB161E-SHD-B? A: The AT45DB161E-SHD-B uses a standard SPI (Serial Peripheral Interface) for communication with microcontrollers or other devices.

  3. Q: What voltage levels does the AT45DB161E-SHD-B support? A: The AT45DB161E-SHD-B supports both 2.7V to 3.6V and 1.65V to 2.2V voltage ranges, making it compatible with a wide range of systems.

  4. Q: Can I use the AT45DB161E-SHD-B as a boot device? A: Yes, the AT45DB161E-SHD-B can be used as a boot device in certain applications. However, it depends on the specific requirements of your system and the capabilities of your microcontroller.

  5. Q: How fast is the data transfer rate of the AT45DB161E-SHD-B? A: The AT45DB161E-SHD-B has a maximum data transfer rate of up to 85 MHz when using the SPI interface.

  6. Q: Is the AT45DB161E-SHD-B capable of performing in-system programming? A: Yes, the AT45DB161E-SHD-B supports in-system programming, allowing you to update the contents of the flash memory while it is connected to the system.

  7. Q: Can I use the AT45DB161E-SHD-B in harsh environments? A: The AT45DB161E-SHD-B is designed to operate in a wide temperature range (-40°C to +85°C) and can withstand mechanical stress, making it suitable for various industrial applications.

  8. Q: How reliable is the AT45DB161E-SHD-B in terms of data retention? A: The AT45DB161E-SHD-B has a typical data retention period of 10 years, ensuring long-term reliability for your stored data.

  9. Q: Does the AT45DB161E-SHD-B support hardware and software write protection? A: Yes, the AT45DB161E-SHD-B provides both hardware and software write protection features, allowing you to protect your data from accidental modifications.

  10. Q: Are there any development tools or libraries available for working with the AT45DB161E-SHD-B? A: Yes, Atmel (now Microchip) provides a range of development tools, software libraries, and documentation to assist developers in integrating the AT45DB161E-SHD-B into their projects.