AT28C64E-12SU

Product Overview

Category

AT28C64E-12SU 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, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: The AT28C64E-12SU has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: This chip operates on low power, making it suitable for battery-powered devices.

Package

The AT28C64E-12SU is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

The AT28C64E-12SU is typically packaged in reels or tubes, with each reel or tube 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: 120 nanoseconds
• Organization: 8K x 8 bits
• Endurance: 1,000,000 write cycles
• Data retention: 10 years

Detailed Pin Configuration

The AT28C64E-12SU 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. OE - Output Enable
11. CE - Chip 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 AT28C64E-12SU 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 various microcontrollers.
• Reliable data retention: The EEPROM technology used in this product ensures long-term data retention, making it suitable for critical applications.

Advantages and Disadvantages

Advantages

• Non-volatile memory: The stored data is retained even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically, eliminating the need for physical removal or replacement of chips.
• High storage capacity: The AT28C64E-12SU provides ample storage space for various applications.
• Low power consumption: This chip operates on low power, extending battery life in portable devices.

Disadvantages

• Limited write endurance: The EEPROM technology used in this chip has a limited number of write cycles before it may start to degrade.
• Relatively slower access times compared to other types of memory, such as random-access memory (RAM).

Working Principles

The AT28C64E-12SU utilizes EEPROM technology, which allows for the storage and retrieval of digital data. It consists of a grid of memory cells that can be individually programmed or erased using electrical signals. When data is written to the chip, the electrical charge is trapped within the memory cell, preserving the information even when power is removed. To read the stored data, appropriate voltage levels are applied to the address and control pins, allowing the data to be accessed and retrieved.

Detailed Application Field Plans

The AT28C64E-12SU finds applications in various fields, including:

1. Embedded systems: This chip is commonly used in microcontrollers and embedded systems to store program code and configuration data.
2. Computer peripherals: It can be utilized in printers, scanners, and other computer peripherals to store firmware and calibration data.
3. Consumer