AT28C64B-15SA

Product Overview

Category

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

Use

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

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: The AT28C64B-15SA has a storage capacity of 64 kilobits (8 kilobytes).
• Low power consumption: It operates on low power supply voltages, making it energy-efficient.
• Fast access time: The chip provides quick access to stored data with a maximum access time of 150 nanoseconds.

Package

The AT28C64B-15SA comes in a small outline integrated circuit (SOIC) package. This package type ensures easy integration into various electronic systems.

Essence

The essence of the AT28C64B-15SA lies in its ability to store and retrieve data reliably, while offering flexibility for reprogramming when needed.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of chips per package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

• Storage Capacity: 64 kilobits (8 kilobytes)
• Supply Voltage: 2.7V - 5.5V
• Access Time: 150 ns
• Operating Temperature Range: -40°C to +85°C
• Erase/Write Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT28C64B-15SA has a total of 28 pins, each serving a specific function. 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. A8 - Address Input
11. A9 - Address Input
12. A10 - Address Input
13. OE - Output Enable
14. CE - Chip Enable
15. WE - Write Enable
16. I/O0 - Data Input/Output
17. I/O1 - Data Input/Output
18. I/O2 - Data Input/Output
19. I/O3 - Data Input/Output
20. I/O4 - Data Input/Output
21. I/O5 - Data Input/Output
22. I/O6 - Data Input/Output
23. I/O7 - Data Input/Output
24. NC - No Connection
25. GND - Ground
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• High-speed data access: The AT28C64B-15SA provides fast read and write operations, allowing for efficient data retrieval and storage.
• Easy integration: The chip can be easily integrated into existing electronic systems due to its standard pin configuration and package type.
• Reliable data retention: The non-volatile nature of the EEPROM ensures that stored data remains intact even during power loss or system shutdown.

Advantages and Disadvantages

Advantages

• Non-volatile memory allows for data retention without power supply.
• Electrically erasable and reprogrammable, providing flexibility for data updates.
• Compact size and easy integration into various electronic systems.
• Low power consumption, contributing to energy efficiency.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access time compared to some modern memory devices.
• Limited erase/write cycle endurance may require careful management in certain applications.

Working Principles

The AT28C64B-15SA utilizes a combination of floating-gate transistors and control circuitry to store and retrieve data. When data is written, an electrical charge is trapped in the floating gate, altering the transistor's behavior. This allows for the storage of binary information. During read operations, the stored charge is detected, enabling the retrieval of the stored data.

Detailed Application Field Plans

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

1. Microcontrollers: Used for storing firmware, configuration data, and program code.
2. Computers: Employed in BIOS chips, expansion cards, and other memory-dependent components.
3. Consumer Electronics: Utilized in devices such as digital cameras, smart TVs, and gaming consoles for data storage purposes.

Detailed and Complete Alternative Models