AT29C256-90JC

Product Overview

Category

AT29C256-90JC belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High capacity: The AT29C256-90JC has a storage capacity of 256 kilobits.
• Fast access time: It operates at a speed of 90 nanoseconds.
• Low power consumption: Designed to minimize power usage.
• Reliable: Offers high endurance and data retention capabilities.

Package

The AT29C256-90JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT29C256-90JC lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT29C256-90JC chips.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 90 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. VPP
13. OE#
14. CE#
15. WE#
16. I/O0
17. I/O1
18. I/O2
19. I/O3
20. I/O4
21. I/O5
22. I/O6
23. I/O7
24. VCC
25. GND
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• Easy integration: Compatible with a wide range of microcontrollers and digital systems.
• High-speed operation: Allows for fast read and write operations.
• Sector erase capability: Enables selective erasure of specific memory sectors.
• Data protection: Provides hardware and software protection mechanisms to prevent accidental data modification.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• Fast access time allows for quick retrieval of information.
• Low power consumption helps conserve energy in electronic systems.
• Reliable endurance and data retention characteristics ensure long-term usability.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Higher cost per bit compared to some alternative models.
• Requires careful handling to avoid static discharge and potential damage.

Working Principles

The AT29C256-90JC 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 storage capabilities. When data is written, the charge on the floating gate is altered, representing either a "0" or a "1". During read operations, the stored charge is detected, allowing the retrieval of the stored information.

Detailed Application Field Plans

The AT29C256-90JC finds applications in various electronic systems, including but not limited to: - Embedded systems - Microcontrollers - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar specifications with a slower access time of 150 nanoseconds.
2. AT29C512-90JC: Doubles the storage capacity to 512 kilobits with the same access time of 90 nanoseconds.
3. AT29C010A-12PC: Offers a larger storage capacity of 1 megabit with a slightly slower access time of 120 nanoseconds.

These alternative models provide options based on specific requirements and can be considered as alternatives to the AT29C256-90JC.

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