AT28C256F-15TI

Product Overview

Category

AT28C256F-15TI 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 stored data even when power is turned off.
• High storage capacity: 256 kilobits (32 kilobytes) of memory.
• Fast access time: Operates at a speed of 150 nanoseconds.
• Low power consumption: Designed to minimize energy usage.
• Durable: Can withstand multiple read and write cycles without degradation.

Package

The AT28C256F-15TI is available in a standard 28-pin dual in-line package (DIP).

Essence

The essence of AT28C256F-15TI lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity and accessibility.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT28C256F-15TI chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 4.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years minimum
• Endurance: 10,000 write cycles

Pin Configuration

The AT28C256F-15TI 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. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. OE - Output Enable
18. CE - Chip Enable
19. WE - Write Enable
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. I/O4 - Data Input/Output
25. I/O5 - Data Input/Output
26. I/O6 - Data Input/Output
27. I/O7 - Data Input/Output
28. Vcc - Power Supply

Functional Features

• Random Access: Allows reading and writing of data at any memory location.
• Byte-Wide Operation: Supports simultaneous read and write operations on individual bytes.
• Hardware Data Protection: Provides a write protection mechanism to prevent accidental modification of stored data.
• Automatic Page Write: Enables efficient programming of multiple bytes in a single operation.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High storage capacity suitable for various applications.
• Fast access time allows for quick retrieval of information.
• Low power consumption prolongs battery life in portable devices.
• Durable design withstands frequent read and write cycles.

Disadvantages

• Limited endurance compared to some other memory technologies.
• Relatively higher cost per bit compared to certain alternatives.
• Requires careful handling to avoid static discharge and physical damage.

Working Principles

The AT28C256F-15TI utilizes a combination of electronic circuits and memory cells to store and retrieve digital information. It employs a floating-gate transistor technology that allows for non-volatile storage by trapping electrical charges within the memory cells. These charges represent the binary data stored in the memory.

When reading data, the appropriate address is provided to select the desired memory location, and the stored charge is sensed to determine the corresponding data value. Writing data involves applying the necessary voltage levels to the appropriate pins while ensuring proper write enable and chip enable signals.

Detailed Application Field Plans

AT28C256F-15TI finds applications in various electronic devices and systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial automation - Automotive electronics - Communication equipment - Consumer electronics

Its high storage capacity, fast access time, and non-volatile nature make it suitable for storing program code, configuration data, and other critical information in these applications.

Detailed and Complete Alternative Models

While AT28C256F-15TI offers reliable performance and features, there are alternative