Adesto Technologies
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AT25PE20-SHN-T
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AT25PE20-SHN-T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Non-volatile Serial Flash Memory
  • Characteristics:
    • High-speed data transfer
    • Low power consumption
    • Small form factor
    • Wide operating voltage range
  • Package: SOP-8 (Small Outline Package)
  • Essence: Reliable and efficient non-volatile memory solution
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Memory Size: 2 Megabits (256 Kilobytes)
  • Interface: Serial Peripheral Interface (SPI)
  • Operating Voltage: 1.7V to 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Data Retention: 20 years
  • Write Endurance: 100,000 cycles

Detailed Pin Configuration

The AT25PE20-SHN-T IC has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | CS | Chip Select | | 2 | SO | Serial Data Output | | 3 | WP | Write Protect | | 4 | GND | Ground | | 5 | SI | Serial Data Input | | 6 | SCK | Serial Clock | | 7 | HOLD | Hold Input | | 8 | VCC | Power Supply |

Functional Features

  • High-speed read and write operations
  • Flexible erase capability (sector or chip erase)
  • Software and hardware protection mechanisms
  • Low-power standby mode
  • Fast program and erase times
  • Automatic page write buffer

Advantages

  • Compact size allows for easy integration into various electronic devices
  • Wide operating voltage range enables compatibility with different systems
  • High-speed data transfer enhances overall system performance
  • Low power consumption prolongs battery life in portable devices
  • Reliable and durable non-volatile memory solution

Disadvantages

  • Limited storage capacity compared to higher-end flash memory options
  • Relatively slower write and erase times compared to other memory technologies
  • Lack of built-in security features for data protection

Working Principles

The AT25PE20-SHN-T is based on the Serial Peripheral Interface (SPI) protocol. It utilizes a floating gate technology to store data in non-volatile memory cells. The SPI interface allows for fast and efficient communication between the IC and the host microcontroller. The memory can be read, written, and erased using specific commands sent through the SPI bus.

Detailed Application Field Plans

The AT25PE20-SHN-T is widely used in various applications, including:

  1. Consumer Electronics:

    • Smartphones
    • Tablets
    • Digital cameras
    • Portable media players

  2. Automotive Systems:

    • Infotainment systems
    • Instrument clusters
    • Advanced driver-assistance systems (ADAS)

  3. Industrial Equipment:

    • Programmable logic controllers (PLCs)
    • Human-machine interfaces (HMIs)
    • Data loggers

  4. Communication Devices:

    • Routers
    • Modems
    • Set-top boxes

Detailed and Complete Alternative Models

  1. AT25SF041-SSHD-T: 4 Megabit Serial Flash Memory, SOP-8 package
  2. MX25L8006EM2I-12G: 8 Megabit Serial Flash Memory, SOP-8 package
  3. W25Q64FVSSIG: 64 Megabit Serial Flash Memory, SOP-8 package
  4. S25FL128SAGMFI001: 128 Megabit Serial Flash Memory, SOP-8 package

These alternative models offer different memory capacities and features to suit specific application requirements.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng AT25PE20-SHN-T sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of AT25PE20-SHN-T in technical solutions:

  1. Q: What is AT25PE20-SHN-T? A: AT25PE20-SHN-T is a serial flash memory chip manufactured by Adesto Technologies. It has a capacity of 2 megabits (256 kilobytes) and is commonly used for storing program code or data in embedded systems.

  2. Q: What is the interface used to communicate with AT25PE20-SHN-T? A: AT25PE20-SHN-T uses the Serial Peripheral Interface (SPI) protocol for communication. It requires four signal lines: Serial Clock (SCK), Chip Select (CS), Master Out Slave In (MOSI), and Master In Slave Out (MISO).

  3. Q: What voltage levels does AT25PE20-SHN-T support? A: AT25PE20-SHN-T supports a wide range of voltage levels, from 1.7V to 3.6V. This makes it compatible with various microcontrollers and other digital devices.

  4. Q: Can AT25PE20-SHN-T be used for both read and write operations? A: Yes, AT25PE20-SHN-T supports both read and write operations. It allows you to read data from the memory as well as write new data or modify existing data.

  5. Q: How fast is the data transfer rate of AT25PE20-SHN-T? A: The maximum data transfer rate of AT25PE20-SHN-T is typically around 33 megabits per second (Mbps). However, the actual speed may vary depending on the specific system configuration.

  6. Q: Is AT25PE20-SHN-T suitable for high-temperature environments? A: Yes, AT25PE20-SHN-T is designed to operate reliably in high-temperature environments. It has a wide operating temperature range of -40°C to +105°C.

  7. Q: Can multiple AT25PE20-SHN-T chips be connected together in a system? A: Yes, multiple AT25PE20-SHN-T chips can be connected together in a system. Each chip needs to have a unique Chip Select (CS) line to enable individual access.

  8. Q: Does AT25PE20-SHN-T support hardware write protection? A: Yes, AT25PE20-SHN-T provides hardware write protection features. It has a Write Protect (WP) pin that can be used to prevent accidental or unauthorized writes to the memory.

  9. Q: What is the typical lifespan of AT25PE20-SHN-T? A: AT25PE20-SHN-T has a typical endurance of 100,000 write cycles per sector. This means you can write data to a sector up to 100,000 times before it may start to experience issues.

  10. Q: Are there any development tools or software libraries available for working with AT25PE20-SHN-T? A: Yes, Adesto Technologies provides development tools and software libraries to facilitate the integration of AT25PE20-SHN-T into various systems. These tools include datasheets, application notes, and programming software.

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