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AT25640B-SSHL-T
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AT25640B-SSHL-T

Product Overview

Category: Integrated Circuit
Use: Non-volatile Serial EEPROM
Characteristics: High-speed, low-power, small form factor
Package: 8-pin SOIC
Essence: Data storage and retrieval
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Memory Size: 64 Kbit (8 Kbyte)
  • Interface: SPI (Serial Peripheral Interface)
  • Operating Voltage: 1.7V to 5.5V
  • Operating Temperature: -40°C to +85°C
  • Write Protect Pin: Yes
  • Data Retention: 100 years
  • Endurance: 1,000,000 write cycles

Detailed Pin Configuration

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

Functional Features

  • Byte and Page Write Modes
  • Sequential Read Function
  • Software and Hardware Write Protection
  • Self-timed Write Cycle

Advantages

  • Low Power Consumption
  • High-Speed Performance
  • Small Form Factor
  • Long Data Retention Period

Disadvantages

  • Limited Memory Size
  • Vulnerable to External Magnetic Fields

Working Principles

The AT25640B-SSHL-T operates as a non-volatile memory device using the Serial Peripheral Interface (SPI) protocol. It stores and retrieves data through sequential read and byte/page write operations. The write protect pin allows for software and hardware protection of stored data.

Detailed Application Field Plans

  1. Automotive Electronics: Used for storing vehicle configuration data and event logging in automotive electronic control units.
  2. Consumer Electronics: Employed in smart home devices for storing user preferences and operational data.
  3. Industrial Automation: Utilized in programmable logic controllers for parameter storage and firmware updates.

Detailed and Complete Alternative Models

  1. AT25SF041-SSHD-T: 4 Mbit Serial Flash Memory
  2. CAT24C256WI-GT3: 256 Kbit I2C Serial EEPROM
  3. M95M02-DRMN6TP/K: 2 Mbit SPI EEPROM

This comprehensive entry provides an in-depth understanding of the AT25640B-SSHL-T, covering its specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan AT25640B-SSHL-T dalam solusi teknis

  1. What is the AT25640B-SSHL-T?

    • The AT25640B-SSHL-T is a 64K (8K x 8) SPI serial EEPROM with a wide voltage supply range and low power consumption, suitable for various technical solutions.

  2. What are the key features of the AT25640B-SSHL-T?

    • The key features include a high-speed SPI interface, low power consumption, wide voltage operation, and a 64K bit memory array.

  3. How can the AT25640B-SSHL-T be used in technical solutions?

    • It can be used for storing configuration data, calibration constants, or other application-specific parameters in various technical solutions.

  4. What is the operating voltage range of the AT25640B-SSHL-T?

    • The operating voltage range is from 1.7V to 5.5V, making it suitable for a wide range of applications.

  5. What is the maximum clock frequency supported by the AT25640B-SSHL-T?

    • The maximum clock frequency supported is 20 MHz, enabling high-speed data transfer in technical solutions.

  6. Can the AT25640B-SSHL-T withstand industrial temperature ranges?

    • Yes, it is designed to operate across a wide temperature range, making it suitable for industrial applications.

  7. Does the AT25640B-SSHL-T support write protection?

    • Yes, it offers hardware and software write protection to prevent accidental writes to the memory array.

  8. Is the AT25640B-SSHL-T compatible with standard SPI interfaces?

    • Yes, it is fully compatible with standard SPI protocols, making it easy to integrate into existing designs.

  9. What is the typical standby current of the AT25640B-SSHL-T?

    • The typical standby current is very low, making it suitable for battery-powered applications.

  10. Are there any specific design considerations when using the AT25640B-SSHL-T in technical solutions?

    • Designers should consider proper decoupling, signal integrity, and layout guidelines to ensure reliable operation and performance.