AT28C256E-20FM/883

Product Overview

Category

AT28C256E-20FM/883 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 AT28C256E-20FM/883 has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It operates at a maximum access time of 200 nanoseconds.
• Low power consumption: The device is designed to minimize power usage.
• Extended temperature range: It can operate reliably in a wide temperature range, making it suitable for various environments.

Package

The AT28C256E-20FM/883 is available in a ceramic package, denoted by the "883" suffix. This package provides enhanced durability and reliability.

Essence

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

Packaging/Quantity

The AT28C256E-20FM/883 is typically packaged in tubes or trays, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 200 nanoseconds
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Ceramic
• Package Suffix: 883

Detailed Pin Configuration

The AT28C256E-20FM/883 has a total of 28 pins. 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. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. OE - Output Enable
18. CE - Chip Enable
19. WE - Write Enable
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. VCC - Power Supply
25. GND - Ground
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• Random Access: The AT28C256E-20FM/883 allows for random access to any location within its memory space.
• Byte-Writable: It supports byte-level write operations, enabling efficient data modification.
• High Reliability: This product offers high reliability and endurance, ensuring data integrity over extended periods of use.
• Low Power Consumption: The device is designed to minimize power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for storing large amounts of digital information.
• Fast access time allows for quick retrieval of data.
• Extended temperature range enables operation in various environments.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited write endurance compared to other memory technologies.
• Relatively higher cost per bit compared to some alternative memory options.

Working Principles

The AT28C256E-20FM/883 is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a grid of memory cells, each capable of storing a single bit of information. These cells can be electrically programmed and erased as needed. The device operates by applying appropriate voltage levels to the address, control, and data pins, allowing for read, write, and erase operations.

Detailed Application Field Plans

The AT28C256E-20FM/883 finds applications in various fields, including but not limited to: - Embedded systems - Automotive electronics - Industrial control systems - Communication devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28C256E-20FM/883 include: - AT28C256-15PU: Similar specifications with a different package type (PDIP) - AT28C256-25PC: Similar specifications with a different package type (PDIP) -