AT28C17E-20SC

Product Overview

Category

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

Use

This product is primarily used for non-volatile storage of digital data in various electronic devices.

Characteristics

• Electrically erasable: The AT28C17E-20SC 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 ample storage space.
• Low power consumption: The AT28C17E-20SC operates on low power, making it suitable for battery-powered devices.

Package

The AT28C17E-20SC is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to store and retain digital data reliably, while offering ease of programming and erasing.

Packaging/Quantity

The AT28C17E-20SC is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

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-20SC has a total of 28 pins, which are assigned specific functions as follows:

1. A0 - Address input bit 0
2. A1 - Address input bit 1
3. A2 - Address input bit 2
4. A3 - Address input bit 3
5. A4 - Address input bit 4
6. A5 - Address input bit 5
7. A6 - Address input bit 6
8. A7 - Address input bit 7
9. CE - Chip enable (active low)
10. OE - Output enable (active low)
11. WE - Write enable (active low)
12. VCC - Power supply voltage
13. DQ0 - Data input/output bit 0
14. DQ1 - Data input/output bit 1
15. DQ2 - Data input/output bit 2
16. DQ3 - Data input/output bit 3
17. DQ4 - Data input/output bit 4
18. DQ5 - Data input/output bit 5
19. DQ6 - Data input/output bit 6
20. DQ7 - Data input/output bit 7
21. NC - No connection
22. GND - Ground
23. A8 - Address input bit 8
24. A9 - Address input bit 9
25. A10 - Address input bit 10
26. A11 - Address input bit 11
27. A12 - Address input bit 12
28. A13 - Address input bit 13

Functional Features

• High-speed operation: The AT28C17E-20SC offers fast access times, allowing for efficient data retrieval and storage.
• Easy programming: The chip can be easily programmed using standard EEPROM programming techniques.
• Reliable data retention: The stored data is retained for a minimum of 10 years, ensuring long-term reliability.
• Low power consumption: The AT28C17E-20SC operates on low power, making it suitable for battery-powered devices.
• High endurance: With a minimum of 100,000 erase/write cycles, this chip offers high durability.

Advantages and Disadvantages

Advantages

• Electrically erasable and reprogrammable
• Non-volatile data storage
• High capacity
• Low power consumption
• Reliable data retention
• Easy to program

Disadvantages

• Limited temperature range (-40°C to +85°C)
• Requires external programming equipment
• Relatively higher cost compared to other memory options

Working Principles

The AT28C17E-20SC utilizes a combination of electronic circuits and memory cells to store and retrieve digital data. When the chip is powered on, the address lines are used to select a specific memory location. The data lines allow for reading or writing data to that location. The chip's control lines (CE, OE, WE) enable or disable specific operations such as reading, writing, or erasing data.

Detailed Application Field Plans

The AT28C17E-20SC finds applications in various electronic devices that require non-volatile storage of digital