AT29C256-70JI-T

Product Overview

Category

AT29C256-70JI-T belongs to the category of non-volatile memory devices.

Use

This product is commonly used for storing and retrieving digital information in various electronic systems.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT29C256-70JI-T has a storage capacity of 256 kilobits.
• Fast access time: It offers a fast access time of 70 nanoseconds.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Package

The AT29C256-70JI-T is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for digital data.

Packaging/Quantity

The AT29C256-70JI-T is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

• Storage Capacity: 256 kilobits
• Access Time: 70 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Detailed Pin Configuration

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. /OE
13. /WE
14. /CE
15. VCC
16. DQ0
17. DQ1
18. DQ2
19. DQ3
20. DQ4
21. DQ5
22. DQ6
23. DQ7
24. VSS
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Byte-wide data access: The AT29C256-70JI-T allows for byte-level access to stored data.
• Easy interfacing: It supports standard microcontroller interfaces, making it compatible with a wide range of systems.
• Erase and write operations: The device supports both sector erase and byte write operations, providing flexibility in data management.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• High storage capacity for various applications.
• Fast access time enables quick retrieval of data.
• Low power consumption extends battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Relatively higher cost per bit compared to some alternatives.

Working Principles

The AT29C256-70JI-T is based on Flash memory technology. It utilizes a grid of floating-gate transistors to store digital information. The stored data can be accessed by applying appropriate voltage levels to the address and control pins of the device. The non-volatile nature of Flash memory ensures that the stored data remains intact even when power is removed.

Detailed Application Field Plans

The AT29C256-70JI-T finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar specifications with a lower access time of 15 nanoseconds.
2. AT49BV256-20TU: Offers a higher storage capacity of 256 kilobits with a faster access time of 20 nanoseconds.
3. AT45DB256E-SH: Provides a larger storage capacity of 256 megabits with additional features like data protection and security.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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