CAT28C256L12

Product Overview

Category

The CAT28C256L12 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 storage capacity: 256 kilobits (32 kilobytes).
• Low power consumption: Operates on low voltage levels.
• Fast access time: Allows for quick retrieval of stored data.
• Durable: Withstands harsh environmental conditions.
• Reliable: Provides long-term data retention.

Package

The CAT28C256L12 is available in a standard 28-pin dual in-line package (DIP).

Essence

The essence of CAT28C256L12 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 quantities varying based on customer requirements.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Organization: 32K x 8 bits
• Supply Voltage: 2.7V to 5.5V
• Access Time: 120 ns
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

The CAT28C256L12 has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. A0: Address Input
2. A1: Address Input
3. A2: Address Input
4. A3: Address Input
5. A4: Address Input
6. A5: Address Input
7. A6: Address Input
8. A7: Address Input
9. CE: Chip Enable Input
10. OE: Output Enable Input
11. WE: Write Enable Input
12. I/O0: Data Input/Output
13. I/O1: Data Input/Output
14. I/O2: Data Input/Output
15. I/O3: Data Input/Output
16. I/O4: Data Input/Output
17. I/O5: Data Input/Output
18. I/O6: Data Input/Output
19. I/O7: Data Input/Output
20. VCC: Power Supply
21. GND: Ground
22. NC: No Connection
23. NC: No Connection
24. NC: No Connection
25. NC: No Connection
26. NC: No Connection
27. NC: No Connection
28. NC: No Connection

Functional Features

• Random Access: Allows for direct access to any memory location.
• Byte-Writable: Enables individual byte-level write operations.
• Block Erase: Supports erasing of specific memory blocks.
• Hardware Data Protection: Provides write protection for critical data.
• Low Power Consumption: Operates on low voltage levels, conserving energy.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High storage capacity accommodates a wide range of applications.
• Fast access time allows for quick retrieval of stored data.
• Durable construction withstands harsh environmental conditions.
• Reliable performance ensures long-term data retention.

Disadvantages

• Limited endurance with a maximum of 1 million write cycles.
• Relatively slower access time compared to some other memory technologies.
• Higher cost per bit compared to certain volatile memory options.

Working Principles

The CAT28C256L12 utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electric charges within floating gate transistors. These charges can be selectively removed or added using electrical signals, allowing for both write and erase operations.

Detailed Application Field Plans

The CAT28C256L12 finds applications in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CAT28C256L12 include: - AT28C256: Manufactured by Atmel Corporation. - M28C256: Manufactured by STMicroelectronics. - 27C256: Manufactured by various semiconductor companies.

These alternative models provide comparable storage capacity, access time, and functionality to the CAT28C256L12.

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