AT29C256-12PC

Product Overview

Category

AT29C256-12PC belongs to the category of non-volatile memory integrated circuits.

Use

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

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High storage capacity: 256 kilobits (32 kilobytes) of memory.
• Low power consumption: Operates on low voltage, making it suitable for portable devices.
• Fast access time: Provides quick retrieval of stored data.
• Durable: Can withstand a wide range of environmental conditions.

Package

AT29C256-12PC is available in a 28-pin plastic dual in-line package (PDIP).

Essence

The essence of AT29C256-12PC lies in its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

It is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Access Time: 120 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Minimum 10 years

Pin Configuration

The pin configuration of AT29C256-12PC is as follows:

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. NC
17. I/O0
18. I/O1
19. I/O2
20. I/O3
21. I/O4
22. I/O5
23. I/O6
24. I/O7
25. NC
26. GND
27. NC
28. NC

Functional Features

• Random access: Allows direct access to any memory location.
• Byte-wise programming: Enables individual bytes to be programmed or erased.
• Sector erase capability: Supports erasing of larger memory blocks for efficient data management.
• Hardware and software protection: Provides mechanisms to prevent unauthorized access or modification of stored data.

Advantages and Disadvantages

Advantages

• Non-volatile nature ensures data retention even during power loss.
• High storage capacity allows for storing large amounts of information.
• Low power consumption makes it suitable for battery-powered devices.
• Fast access time enables quick retrieval of data.
• Durable construction ensures reliability in various environments.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access times compared to some newer memory technologies.
• Requires careful handling to avoid damage due to electrostatic discharge.

Working Principles

AT29C256-12PC utilizes a combination of electronic circuits and semiconductor technology to store and retrieve digital information. It employs a floating-gate transistor structure that can trap and release electrical charges, representing binary data (0s and 1s). The stored data can be accessed by sending appropriate signals to the memory address and control pins.

Detailed Application Field Plans

AT29C256-12PC finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Communication devices - Automotive electronics - Industrial control systems

Its ability to retain data without power and its fast access time make it suitable for applications where reliable and quick data storage is required.

Detailed and Complete Alternative Models

Some alternative models to AT29C256-12PC include: - AT28C256 - 27C256 - M27C256B - W27C256

These models offer similar functionality and specifications, providing alternatives for different design requirements.

In conclusion, AT29C256-12PC is a non-volatile memory integrated circuit with a storage capacity of 256 kilobits. It offers fast access times, low power consumption, and durability. Its applications range from microcontrollers to automotive electronics. While it has limitations in terms of storage capacity and access speed compared to newer technologies, it remains a reliable choice for various electronic devices.