AT28C64B-15JC

Product Overview

Category

AT28C64B-15JC belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

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

Characteristics

• Electrically erasable: The AT28C64B-15JC can be erased and reprogrammed electronically, making it convenient for data storage.
• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: This chip has a storage capacity of 64 kilobits (8 kilobytes).
• Fast access time: The AT28C64B-15JC has a maximum access time of 150 nanoseconds, allowing for quick retrieval of data.

Package

The AT28C64B-15JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power loss or system shutdowns.

Packaging/Quantity

The AT28C64B-15JC is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 64 kilobits (8 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years

Detailed Pin Configuration

The AT28C64B-15JC has a total of 32 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. NC - No Connection
23. NC - No Connection
24. GND - Ground
25. NC - No Connection
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection
29. NC - No Connection
30. NC - No Connection
31. NC - No Connection
32. NC - No Connection

Functional Features

The AT28C64B-15JC offers the following functional features:

• Byte-wise programmability: The chip allows individual bytes to be programmed or erased, providing flexibility in data storage and modification.
• High-speed operation: With a maximum access time of 150 nanoseconds, the AT28C64B-15JC enables fast data retrieval and processing.
• Low power consumption: This EEPROM chip is designed to operate efficiently with low power requirements, making it suitable for battery-powered devices.
• Extended data retention: The stored data can be retained for up to 10 years, ensuring long-term reliability.

Advantages and Disadvantages

Advantages

• Electrically erasable and reprogrammable.
• Non-volatile storage ensures data integrity.
• High storage capacity for various applications.
• Fast access time allows for quick data retrieval.
• Low power consumption for energy-efficient operation.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per kilobyte of storage compared to some alternatives.
• Limited endurance for write/erase cycles compared to other memory types.

Working Principles

The AT28C64B-15JC operates based on the principles of EEPROM technology. It utilizes a floating gate transistor structure that can be electrically programmed and erased. When data is written, charges are trapped in the floating gate, altering the transistor's behavior and storing the desired information. To erase the data, an electrical charge is applied to remove the trapped charges from the floating gate, resetting the transistor's state.

Detailed Application Field Plans

The AT28C64B-15JC finds application in various fields, including:

1. Microcontrollers: Used for program storage in