AT28C256-15JI

Product Overview

Category

AT28C256-15JI 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).
• Fast access time: 150 nanoseconds.
• Low power consumption.
• Durable and reliable.

Package

AT28C256-15JI is available in a 28-pin JEDEC-standard PLCC package.

Essence

The essence of AT28C256-15JI lies in its ability to provide non-volatile storage for electronic systems, ensuring data integrity and reliability.

Packaging/Quantity

AT28C256-15JI is typically packaged in reels or tubes, with quantities varying based on customer requirements.

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: 1,000,000 write cycles

Detailed Pin Configuration

The AT28C256-15JI has a total of 28 pins, each serving a specific purpose. 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. VCC - Power Supply
25. GND - Ground
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• Easy integration into existing electronic systems.
• High-speed data access and retrieval.
• Low power consumption, making it suitable for battery-powered devices.
• Durable and reliable, ensuring long-term data retention.
• Compatibility with a wide range of microcontrollers and processors.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data integrity even during power loss.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption prolongs battery life in portable devices.
• Wide compatibility with various electronic systems.

Disadvantages

• Limited endurance compared to other types of memory.
• Relatively higher cost per bit compared to volatile memory.
• Requires additional circuitry for write and erase operations.

Working Principles

AT28C256-15JI utilizes electrically erasable and programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. The presence or absence of these charges determines the stored information. To read data, the appropriate address is provided, and the output is enabled. Writing and erasing data involve applying specific voltage levels to the control pins while providing the desired data input.

Detailed Application Field Plans

AT28C256-15JI finds applications in various electronic systems, including but not limited to: - Embedded systems - Automotive electronics - Industrial control systems - Communication devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT28C256-15JI are: - AT28C256-12PI - AT28C256-20PU - AT28C256-25DM/883

These models provide different access times, package types, or temperature ranges, allowing users to choose the most suitable option for their specific requirements.

In conclusion, AT28C256-15JI is a non-volatile memory device with a high storage capacity, fast access time, and low power consumption. It is widely used in various electronic systems and offers advantages such as data integrity, reliability, and compatibility. While it has some limitations, it remains a popular choice for applications requiring non-volatile storage.