AT28C256F-15UM/883-815

Product Overview

Category

The AT28C256F-15UM/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 AT28C256F-15UM/883-815 retains stored data even when power is removed.
• High capacity: It has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: The device offers a fast access time of 150 nanoseconds.
• Low power consumption: It operates on low power, making it suitable for battery-powered devices.

Package

The AT28C256F-15UM/883-815 comes in a 28-pin ceramic dual-inline 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-15UM/883-815 is typically packaged in tubes or trays, with a quantity of 25 units per tube/tray.

Specifications

• Supply voltage: 5V
• Operating temperature range: -40°C to +85°C
• Data retention: 10 years
• Endurance: 100,000 write cycles

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. A12
14. A13
15. A14
16. A15
17. OE#
18. CE#
19. WE#
20. NC
21. I/O0
22. I/O1
23. I/O2
24. I/O3
25. Vcc
26. GND
27. NC
28. NC

Functional Features

• Byte-wide access: The AT28C256F-15UM/883-815 allows for byte-level read and write operations.
• Chip enable control: The CE# pin enables or disables the device for data transfer.
• Output enable control: The OE# pin controls the output buffers, 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 when power is removed.
• High capacity: Offers ample storage space for various applications.
• Fast access time: Allows for quick retrieval of stored information.
• Low power consumption: Suitable for battery-powered devices.

Disadvantages

• Limited endurance: The device has a finite number of write cycles before it may become unreliable.
• Relatively large package size: The 28-pin DIP package may require more space on the circuit board compared to smaller packages.

Working Principles

The AT28C256F-15UM/883-815 utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping charges in floating gate transistors, which can be electrically programmed and erased. When data is written, high voltages are applied to the appropriate pins to modify the charge levels in the memory cells. During read operations, the stored charges are sensed and converted back into digital data.

Detailed Application Field Plans

The AT28C256F-15UM/883-815 finds application in various electronic systems, including: - Microcontrollers - Embedded systems - Industrial automation - Automotive electronics - Communication devices

Detailed and Complete Alternative Models

1. AT28C256-15PU: 256 kilobit EEPROM, 150 ns access time, 28-pin DIP package.
2. AT28C256-20PC: 256 kilobit EEPROM, 200 ns access time, 28-pin plastic DIP package.
3. AT28C256-25PI: 256 kilobit EEPROM, 250 ns access time, 28-pin plastic DIP package.

These alternative models offer similar functionality and capacity but may differ in access time and package type.

In conclusion, the AT28C256F-15UM/883-815 is a non-volatile memory device with a high storage capacity, fast access time, and low power consumption. It finds application in various electronic systems and offers reliable data storage.