CAT28C256GI12

Product Overview

Category

CAT28C256GI12 belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The CAT28C256GI12 retains stored data even when power is removed.
• High capacity: It has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: The CAT28C256GI12 offers quick data retrieval with low latency.
• Low power consumption: This device operates efficiently, consuming minimal power.
• Durable: It can withstand multiple read and write cycles without degradation.

Package

The CAT28C256GI12 is available in a compact and industry-standard 28-pin dual in-line package (DIP).

Essence

The essence of CAT28C256GI12 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 CAT28C256GI12 devices.

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 CAT28C256GI12 has a total of 28 pins, which are assigned specific functions. 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. VSS: Ground
10. CE: Chip Enable
11. OE: Output Enable
12. WE: Write Enable
13. I/O0: Data Input/Output
14. I/O1: Data Input/Output
15. I/O2: Data Input/Output
16. I/O3: Data Input/Output
17. I/O4: Data Input/Output
18. I/O5: Data Input/Output
19. I/O6: Data Input/Output
20. I/O7: Data Input/Output
21. NC: No Connection
22. NC: No Connection
23. NC: No Connection
24. VCC: Supply Voltage
25. NC: No Connection
26. NC: No Connection
27. NC: No Connection
28. NC: No Connection

Functional Features

The CAT28C256GI12 offers the following functional features:

• Random access: Allows for direct access to any memory location.
• Byte-wise operations: Supports individual byte read and write operations.
• Hardware data protection: Provides write protection to prevent accidental modification of stored data.
• Low power consumption: Operates efficiently, minimizing power usage in electronic systems.

Advantages and Disadvantages

Advantages

• Non-volatile storage 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 data.
• Durable design withstands multiple read and write cycles.

Disadvantages

• Limited storage capacity compared to other memory devices.
• Relatively slower access time compared to some modern memory technologies.

Working Principles

The CAT28C256GI12 utilizes a combination of electronic circuits and semiconductor technology to store and retrieve digital information. It employs a floating-gate transistor structure that allows for non-volatile storage of data.

When data is written, an electric charge is applied to the floating gate, altering its electrical characteristics. This change in charge determines the stored data value. During read operations, the stored charge is measured, allowing the retrieval of the stored information.

Detailed Application Field Plans

The CAT28C256GI12 finds applications in various electronic systems, including but not limited to:

1. Embedded Systems: Used for program storage in microcontrollers and microprocessors.
2. Communication Devices: Employed in networking equipment for storing configuration data.
3. Automotive Electronics: Utilized for storing calibration data in engine control units (ECUs).
4. Industrial Control Systems: Used for storing critical parameters and configuration settings.
5. Consumer Electronics: Employed in devices like set-top boxes and gaming consoles for data storage.

Detailed and Complete Alternative Models

Some alternative models to CAT28C256GI12 include:

1. AT28C256-15PU: Manufactured by Atmel, this device offers similar specifications and pin configuration.