Microchip Technology
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AT28HC256F-12JA

AT28HC256F-12JA

Product Overview

Category

The AT28HC256F-12JA belongs to the category of non-volatile memory integrated circuits.

Use

It is used for storing and retrieving digital information in various electronic devices.

Characteristics

  • Non-volatile: Retains data even when power is turned off
  • High capacity: 256 kilobits
  • Fast access time: 120 nanoseconds
  • Low power consumption
  • Durable package

Package

The AT28HC256F-12JA is available in a JEDEC-standard 32-lead PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic devices.

Packaging/Quantity

The AT28HC256F-12JA is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

  • Capacity: 256 kilobits
  • Access Time: 120 nanoseconds
  • Operating Voltage: 4.5V - 5.5V
  • Standby Current: 100μA (max)
  • Operating Temperature: -40°C to 85°C
  • Package Type: 32-lead PLCC

Detailed Pin Configuration

The detailed pin configuration of the AT28HC256F-12JA is as follows: 1. A0-A14: Address Inputs 2. CE: Chip Enable 3. OE: Output Enable 4. WE: Write Enable 5. I/O0-I/O7: Data Input/Output 6. VCC: Power Supply 7. VSS: Ground

Functional Features

  • High-speed access
  • Low power consumption
  • Easy interfacing with microcontrollers and other digital systems
  • Reliable non-volatile storage

Advantages

  • High capacity
  • Fast access time
  • Low power consumption
  • Durable package
  • Wide operating temperature range

Disadvantages

  • Relatively higher cost compared to some alternative memory technologies
  • Limited rewrite cycles compared to some newer non-volatile memory technologies

Working Principles

The AT28HC256F-12JA operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It stores data using floating gate transistors, allowing for non-volatile data retention.

Detailed Application Field Plans

The AT28HC256F-12JA is commonly used in various applications such as: - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics - Communication devices

Detailed and Complete Alternative Models

Some alternative models to the AT28HC256F-12JA include: - AT29C256: Similar capacity EEPROM with different interface and characteristics - SST39SF020A: Flash memory alternative with higher capacity and faster access times - M27C256B: UV-erasable EPROM alternative with different programming method

In conclusion, the AT28HC256F-12JA provides reliable non-volatile memory storage with high capacity and fast access times, making it suitable for a wide range of electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT28HC256F-12JA en soluciones técnicas

  1. What is the AT28HC256F-12JA?

    • The AT28HC256F-12JA is a high-speed, low-power Electrically Erasable and Programmable Read Only Memory (EEPROM) designed for use in various electronic applications.

  2. What are the key features of the AT28HC256F-12JA?

    • The key features include a 256K (32,768 x 8) configuration, a fast access time of 120ns, low power consumption, and a wide operating voltage range.

  3. In what technical solutions can the AT28HC256F-12JA be used?

    • The AT28HC256F-12JA can be used in embedded systems, automotive electronics, industrial control systems, and other applications requiring non-volatile memory storage.

  4. What are the operating voltage requirements for the AT28HC256F-12JA?

    • The AT28HC256F-12JA operates within a voltage range of 4.5V to 5.5V.

  5. How does the AT28HC256F-12JA handle data retention?

    • The AT28HC256F-12JA has a minimum data retention of 10 years, making it suitable for long-term storage of critical information.

  6. What is the programming process for the AT28HC256F-12JA?

    • The AT28HC256F-12JA can be programmed using standard EEPROM programming equipment or through in-circuit programming methods.

  7. Does the AT28HC256F-12JA support multiple write cycles?

    • Yes, the AT28HC256F-12JA supports a minimum of 100,000 write cycles, ensuring durability and reliability in various applications.

  8. What are the temperature specifications for the AT28HC256F-12JA?

    • The AT28HC256F-12JA is designed to operate within a temperature range of -40°C to 85°C, making it suitable for both commercial and industrial environments.

  9. Can the AT28HC256F-12JA be used in battery-powered devices?

    • Yes, the low power consumption of the AT28HC256F-12JA makes it suitable for use in battery-powered devices, extending the device's operational lifespan.

  10. Are there any specific considerations for integrating the AT28HC256F-12JA into a design?

    • Designers should consider proper decoupling, signal integrity, and noise immunity when integrating the AT28HC256F-12JA into their designs to ensure optimal performance and reliability.