AT28C256F-15DM/883

Product Overview

Category

AT28C256F-15DM/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 AT28C256F-15DM/883 has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: It operates at a maximum access time of 150 nanoseconds.
• Low power consumption: The device is designed to consume minimal power during operation.

Package

The AT28C256F-15DM/883 is available in a 28-pin dual in-line package (DIP).

Essence

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

Packaging/Quantity

The AT28C256F-15DM/883 is typically packaged in tubes or trays, with each containing a specified quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years

Detailed Pin Configuration

The AT28C256F-15DM/883 has a total of 28 pins. The pin configuration is as follows:

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. NC
18. I/O0
19. I/O1
20. I/O2
21. I/O3
22. I/O4
23. I/O5
24. I/O6
25. I/O7
26. GND
27. NC
28. NC

Functional Features

• Byte-wide access: The AT28C256F-15DM/883 allows for byte-level read and write operations.
• Chip enable control: The CE# pin enables or disables the device for operation.
• Output enable control: The OE# pin controls the output buffer, allowing data to be read from the memory.
• Write enable control: The WE# pin enables or disables write operations to the memory.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data is retained even without power.
• High capacity: Ample storage space for various applications.
• Fast access time: Quick retrieval of stored information.
• Low power consumption: Energy-efficient operation.

Disadvantages

• Limited rewrite cycles: The AT28C256F-15DM/883 has a finite number of erase/write cycles before it may become unreliable.
• Relatively large package size: The 28-pin DIP package may require more space on a circuit board compared to smaller form factors.

Working Principles

The AT28C256F-15DM/883 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 added using voltage pulses, allowing for data modification.

Detailed Application Field Plans

The AT28C256F-15DM/883 finds application in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial control systems - Automotive electronics - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT28C256F-15DM/883 include: - AT28C256-15PU: Same capacity and access time, but in a different package (PDIP). - AT28C256E-15PI: Similar specifications, but with extended temperature range (-40°C to +125°C). - AT28C256J-15SU: Same capacity and access time, but in a surface-mount package (SOIC).

These alternative models can be considered based on specific application requirements and form factor preferences.

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