AT29C257-12JI

Product Overview

Category

AT29C257-12JI belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT29C257-12JI has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It operates at a speed of 120 nanoseconds, allowing for quick data retrieval.
• Low power consumption: This integrated circuit is designed to minimize power usage.
• Reliable: The AT29C257-12JI offers high endurance and data retention capabilities.

Package

The AT29C257-12JI is available in a 28-pin plastic dual in-line package (PDIP).

Essence

This product serves as a reliable and efficient means of storing and accessing digital information in various electronic devices.

Packaging/Quantity

The AT29C257-12JI is typically packaged in reels or tubes, with each containing a specific quantity of integrated circuits. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 120 nanoseconds
• Supply Voltage: 4.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 28-pin PDIP

Detailed Pin Configuration

1. A16
2. A15
3. A14
4. A13
5. A12
6. A11
7. A10
8. A9
9. A8
10. A7
11. A6
12. A5
13. A4
14. A3
15. A2
16. A1
17. A0
18. VCC
19. OE#
20. CE#
21. WE#
22. I/O0
23. I/O1
24. I/O2
25. I/O3
26. I/O4
27. I/O5
28. GND

Functional Features

• Easy integration: The AT29C257-12JI can be easily integrated into existing electronic systems.
• High-speed operation: It offers fast read and write operations, enabling efficient data handling.
• Versatile interface: The integrated circuit supports a standard parallel interface for seamless communication with other components.
• Low power consumption: This product is designed to minimize power usage, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for storing a significant amount of digital information.
• Fast access time enables quick retrieval of stored data.
• Low power consumption prolongs battery life in portable devices.
• Reliable performance ensures data integrity over extended periods.

Disadvantages

• Limited storage capacity compared to newer memory technologies.
• Relatively slower access time compared to some modern memory solutions.
• Requires additional circuitry for interfacing with microcontrollers or processors.

Working Principles

The AT29C257-12JI utilizes flash memory technology to store and retrieve digital information. It employs a combination of floating-gate transistors and control circuitry to achieve non-volatile data storage. When data needs to be written, the appropriate address and data signals are provided, and the control circuitry programs the memory cells accordingly. During read operations, the stored data is accessed by providing the desired address, and the control circuitry retrieves the corresponding data from the memory cells.

Detailed Application Field Plans

The AT29C257-12JI finds applications in various electronic devices that require non-volatile memory for data storage. Some common application fields include:

1. Embedded Systems: The integrated circuit can be used in embedded systems to store firmware, configuration data, or user settings.
2. Consumer Electronics: It is suitable for use in devices such as digital cameras, set-top boxes, and gaming consoles for storing media files, software, and user data.
3. Automotive Electronics: The AT29C257-12JI can be utilized in automotive applications for storing critical data like engine parameters, diagnostics information, and firmware updates.
4. Industrial Control Systems: It can be employed in industrial control systems for storing program code, configuration data, and historical logs.

Detailed and Complete Alternative Models

1. AT28C256: This is a similar non-volatile memory IC with a capacity of 256 kilobits. It offers comparable performance and features to the AT29C257-12JI.
2. AT49BV256: This alternative model provides a higher storage capacity of 256 kilobits and supports a parallel interface. It is compatible with