AT28C256-15JU-043

Product Overview

Category

AT28C256-15JU-043 belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used in electronic devices for storing and retrieving data. It provides non-volatile storage, meaning that the data remains intact even when power is removed.

Characteristics

• Non-volatile memory: Retains data even without power supply.
• Electrically erasable: Allows for easy modification of stored data.
• Programmable: Can be written and rewritten multiple times.
• High storage capacity: The AT28C256-15JU-043 has a capacity of 256 kilobits (32 kilobytes).

Package

The AT28C256-15JU-043 comes in a standard 28-pin plastic dual in-line package (DIP).

Essence

The essence of this product lies in its ability to provide reliable and flexible data storage in various electronic applications.

Packaging/Quantity

The AT28C256-15JU-043 is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating voltage: 2.7V to 5.5V
• Access time: 150 nanoseconds
• Organization: 32K x 8 bits
• Erase/write cycles: 10,000 minimum
• Data retention: 10 years minimum
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The AT28C256-15JU-043 has a total of 28 pins. The pin configuration is as follows:

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. VCC
10. OE#
11. CE#
12. WE#
13. I/O0
14. I/O1
15. I/O2
16. I/O3
17. I/O4
18. I/O5
19. I/O6
20. I/O7
21. NC
22. NC
23. NC
24. GND
25. NC
26. NC
27. NC
28. NC

Functional Features

• High-speed operation: The AT28C256-15JU-043 offers fast access times, allowing for efficient data retrieval and storage.
• Low power consumption: This chip is designed to minimize power usage, making it suitable for battery-powered devices.
• Easy integration: The standard pin configuration and compatibility with common microcontrollers simplify the integration process.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Electrically erasable and programmable, enabling easy modification of stored data.
• High storage capacity meets the requirements of various applications.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited erase/write cycles may restrict certain applications requiring frequent data modifications.
• Relatively higher cost compared to other types of memory chips.
• Temperature limitations may affect performance in extreme environments.

Working Principles

The AT28C256-15JU-043 utilizes a combination of electronic circuits and semiconductor technology to store and retrieve data. It employs a grid of transistors that can be electrically programmed and erased. When data needs to be written or modified, specific voltages are applied to the appropriate pins, allowing the transistors to change their states and store the desired information. During read operations, the stored data is accessed by applying appropriate voltages and reading the resulting electrical signals.

Detailed Application Field Plans

The AT28C256-15JU-043 finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial control systems - Automotive electronics - Communication equipment - Consumer electronics

Its versatility and reliability make it suitable for a wide range of applications that require non-volatile storage capabilities.

Detailed and Complete Alternative Models

• AT28C256-12PC: Similar to AT28C256-15JU-043, but with a slower access time of 200 nanoseconds.
• AT28C256-20PI: Offers faster access time of 100 nanoseconds compared to AT28C256-15JU-043.
• AT28C256-25DM/883: A military-grade version designed for harsh environments, with extended temperature range and enhanced durability.

These alternative models provide options with varying specifications to cater to different application requirements.

In conclusion, the AT28C256-15JU-043 is an electrically eras