AT28C17E-20SI

Product Overview

Category

AT28C17E-20SI belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for non-volatile data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• Electrically erasable: The AT28C17E-20SI can be erased and reprogrammed electrically, making it convenient for updating stored data.
• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: This chip has a capacity of 17,280 bits, allowing for significant data storage.
• Low power consumption: The AT28C17E-20SI operates on low power, making it suitable for battery-powered devices.

Package

The AT28C17E-20SI comes in a standard Small-Outline Integrated Circuit (SOIC) package.

Essence

The essence of this product lies in its ability to store and retrieve data reliably, while offering flexibility for updates and modifications.

Packaging/Quantity

The AT28C17E-20SI is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Operating voltage: 2.7V to 5.5V
• Access time: 200ns
• Organization: 2K x 8 bits
• Erase/write cycles: 100,000 minimum
• Data retention: 10 years minimum
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The AT28C17E-20SI 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. VCC: Power supply
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. GND: Ground
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

• High-speed operation: The AT28C17E-20SI offers fast access times, allowing for efficient data retrieval and storage.
• Easy integration: This chip can be easily integrated into existing electronic systems due to its standard pin configuration and compatibility with common interfaces.
• Reliable data retention: The stored data remains intact for a minimum of 10 years, ensuring long-term reliability.
• Low power consumption: The AT28C17E-20SI operates on low power, making it suitable for energy-efficient devices.

Advantages and Disadvantages

Advantages

• Electrically erasable and reprogrammable
• Non-volatile data storage
• High capacity
• Low power consumption

Disadvantages

• Relatively slower access times compared to other memory technologies
• Limited erase/write cycles (100,000 minimum)

Working Principles

The AT28C17E-20SI utilizes a combination of electronic circuits and memory cells to store and retrieve data. When the chip is powered on and enabled, the address inputs are used to select a specific memory location. The data stored in that location can then be read or modified using the appropriate control signals. The electrically erasable feature allows for easy modification of data without the need for physical erasure.

Detailed Application Field Plans

The AT28C17E-20SI finds applications in various fields, including:

1. Microcontrollers: Used for storing firmware, configuration settings, and calibration data.
2. Computers: Employed in BIOS chips and other non-volatile memory requirements.
3. Consumer electronics: Utilized in devices such as smart TVs, set-top boxes, and gaming consoles for data storage purposes.
4. Automotive: Integrated into automotive systems for storing critical data like engine parameters and vehicle diagnostics.
5. Industrial automation: Used in programmable logic controllers (PLCs) and other industrial equipment for data storage and