AT28C256E-25FM/883

Product Overview

Category

AT28C256E-25FM/883 belongs to the category of non-volatile memory devices.

Use

It 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-25FM/883 has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It operates at a maximum access time of 250 nanoseconds.
• Low power consumption: It requires minimal power to operate efficiently.

Package

The AT28C256E-25FM/883 is available in a ceramic package, denoted by the suffix "883".

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT28C256E-25FM/883 is typically packaged in trays or tubes, 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: 250 nanoseconds
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Ceramic (883)

Detailed Pin Configuration

The AT28C256E-25FM/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. VCC - Power Supply
21. D0 - Data Input/Output
22. D1 - Data Input/Output
23. D2 - Data Input/Output
24. D3 - Data Input/Output
25. D4 - Data Input/Output
26. D5 - Data Input/Output
27. D6 - Data Input/Output
28. D7 - Data Input/Output

Functional Features

• Non-volatile storage: The AT28C256E-25FM/883 retains data even when power is removed.
• High-speed access: It provides fast access times for efficient data retrieval.
• Low power consumption: The device operates with minimal power requirements.
• Easy integration: It can be easily integrated into various electronic systems.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention.
• High storage capacity for a wide range of applications.
• Fast access time allows for quick data retrieval.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per bit compared to some alternatives.
• Susceptible to physical damage due to its ceramic package.

Working Principles

The AT28C256E-25FM/883 utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electric charges in a floating gate within each memory cell. The presence or absence of these charges determines the stored data. To read or write data, specific voltage levels are applied to the appropriate pins.

Detailed Application Field Plans

The AT28C256E-25FM/883 finds applications in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial control systems - Automotive electronics - Communication devices

Its high capacity and non-volatile nature make it suitable for storing program code, configuration data, and other critical information in these applications.

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar to AT28C256E-25FM/883, but with a different package type (PDIP).
2. AT28C256-20PC: Another alternative with a different access time (200 nanoseconds) and package type (PDIP).
3. AT28C256-12PI: Offers a lower access time (120 nanoseconds) and comes in a plastic package (PDIP).

These alternative models provide options based on specific requirements such as package type,