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AT28C64B-15JU-T
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AT28C64B-15JU-T

1. Introduction

The AT28C64B-15JU-T is a non-volatile, high-performance electrically erasable and programmable read-only memory (EEPROM) device. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

2. Basic Information Overview

Category

The AT28C64B-15JU-T belongs to the category of EEPROMs, which are non-volatile memory devices used for storing small amounts of data that require infrequent updates.

Use

It is commonly used in applications where non-volatile storage of configuration or calibration data is required, such as in embedded systems, industrial control, and automotive electronics.

Characteristics

  • Non-volatile: Retains stored data even when power is removed.
  • High performance: Fast read and write operations.
  • Electrically erasable and programmable: Allows for easy modification of stored data.

Package

The AT28C64B-15JU-T is available in a standard 28-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable non-volatile storage with fast access times and easy reprogrammability.

Packaging/Quantity

It is typically supplied in tape and reel packaging with a quantity of 250 units per reel.

3. Specifications

The AT28C64B-15JU-T has the following specifications: - Capacity: 64 kilobits (8 kilobytes) - Operating voltage: 4.5V to 5.5V - Access time: 150ns - Operating temperature range: -40°C to 85°C - Endurance: 10,000 write/erase cycles

4. Detailed Pin Configuration

The detailed pin configuration of the AT28C64B-15JU-T is as follows:

| Pin Name | Description | |----------|-------------| | A0-A13 | Address inputs | | CE | Chip enable | | OE | Output enable | | WE | Write enable | | I/O0-I/O7| Data input/output | | VCC | Power supply | | VSS | Ground |

5. Functional Features

The AT28C64B-15JU-T offers the following functional features: - Byte-wide random access - Automatic page write operation - Hardware and software data protection - Low power consumption in standby mode

6. Advantages and Disadvantages

Advantages

  • Non-volatile storage
  • Fast read and write operations
  • Easy reprogrammability
  • Low power consumption

Disadvantages

  • Limited endurance compared to other non-volatile memory technologies
  • Relatively small capacity for modern applications

7. Working Principles

The working principle of the AT28C64B-15JU-T involves using electrical signals to selectively program and erase memory cells within the device. When data needs to be written or erased, specific control signals are applied to the device to perform these operations without requiring physical removal of the chip.

8. Detailed Application Field Plans

The AT28C64B-15JU-T is well-suited for various applications, including: - Embedded systems - Industrial control systems - Automotive electronics - Instrumentation and measurement equipment

9. Detailed and Complete Alternative Models

Some alternative models to the AT28C64B-15JU-T include: - AT28C256-15PU: Higher capacity EEPROM with similar performance characteristics - AT29C010A-12PC: Flash memory with larger capacity and faster access times - 24LC64-I/P: I2C-compatible EEPROM with smaller form factor

In conclusion, the AT28C64B-15JU-T is a versatile EEPROM device suitable for applications requiring non-volatile storage with fast access times and easy reprogrammability.

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10 domande e risposte comuni relative all'applicazione di AT28C64B-15JU-T nelle soluzioni tecniche

  1. What is the AT28C64B-15JU-T?

    • The AT28C64B-15JU-T is a 64K (8K x 8) parallel EEPROM with a 150ns access time.

  2. What are the typical applications of the AT28C64B-15JU-T?

    • It is commonly used in embedded systems, industrial control systems, and other electronic devices requiring non-volatile memory storage.

  3. What is the operating voltage range for the AT28C64B-15JU-T?

    • The operating voltage range is typically from 4.5V to 5.5V.

  4. How is data written to the AT28C64B-15JU-T?

    • Data is typically written to the device using a standard parallel interface and specific write commands.

  5. Can the AT28C64B-15JU-T be reprogrammed?

    • Yes, it is a reprogrammable EEPROM, allowing for multiple write cycles.

  6. What is the endurance of the AT28C64B-15JU-T?

    • It has a typical endurance of at least 10,000 write cycles.

  7. What is the data retention period for the AT28C64B-15JU-T?

    • The data retention period is typically greater than 10 years.

  8. Does the AT28C64B-15JU-T have any security features?

    • It may have additional security features such as write protection to prevent unauthorized write operations.

  9. What are the temperature range specifications for the AT28C64B-15JU-T?

    • The device is typically specified to operate within a temperature range of -40°C to 85°C.

  10. Is the AT28C64B-15JU-T RoHS compliant?

    • Yes, it is typically RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive.