AT28C256-20FM/883-815

Product Overview

Category

AT28C256-20FM/883-815 belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT28C256-20FM/883-815 has a storage capacity of 256 kilobits.
• Fast access time: It operates at a speed of 200 nanoseconds.
• Low power consumption: The device is designed to minimize power usage.
• Wide temperature range: It can operate reliably in temperatures ranging from -55°C to +125°C.

Package

The AT28C256-20FM/883-815 is available in a ceramic package, which provides durability and protection against environmental factors.

Essence

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

Packaging/Quantity

The AT28C256-20FM/883-815 is typically packaged in tubes or trays, with each package containing a specific quantity of devices. The exact quantity may vary depending on the supplier.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Access Time: 200 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -55°C to +125°C
• Package Type: Ceramic
• Pin Count: 28

Detailed Pin Configuration

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. A8
10. A9
11. A10
12. A11
13. OE#
14. CE#
15. WE#
16. VCC
17. D0
18. D1
19. D2
20. D3
21. D4
22. D5
23. D6
24. D7
25. NC
26. GND
27. NC
28. NC

Functional Features

• Byte-wide access: The AT28C256-20FM/883-815 allows for byte-level access, enabling efficient data manipulation.
• Easy interfacing: It supports standard memory interfaces, making it compatible with a wide range of electronic systems.
• High reliability: The device is designed to provide reliable storage and retrieval of data over an extended period.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for various applications.
• Fast access time enables quick data retrieval.
• Low power consumption for energy-efficient operation.
• Wide temperature range allows for use in extreme environments.

Disadvantages

• Limited storage capacity compared to newer memory technologies.
• Slower access time compared to some modern memory devices.
• Higher cost per bit compared to more recent memory options.

Working Principles

The AT28C256-20FM/883-815 utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. These charges can be selectively removed or programmed using specific voltage levels applied to the control pins.

Detailed Application Field Plans

The AT28C256-20FM/883-815 finds application in various fields, including: - Embedded systems - Automotive electronics - Industrial control systems - Communication equipment - Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28C256-20FM/883-815 include: - AT28C256-15PU - AT28C256-25PC - AT28C256-12PI - AT28C256-20DM/883

These models provide different access times, package types, or temperature ranges to suit specific application requirements.

In conclusion, the AT28C256-20FM/883-815 is a non-volatile memory device with a storage capacity of 256 kilobits. It offers fast access time, low power consumption, and wide temperature range. The device finds applications in various fields and has alternative models available for different requirements.