AT28C256-15UM/883-815

Product Overview

Category

AT28C256-15UM/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 stored data remains intact even when power is removed.
• High capacity: The AT28C256-15UM/883-815 has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: With a speed rating of 150 nanoseconds, it offers quick data retrieval.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT28C256-15UM/883-815 is available in a 28-pin ceramic DIP (Dual In-line Package) format.

Essence

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

Packaging/Quantity

The AT28C256-15UM/883-815 is typically packaged in tubes or trays, with each package containing a specified quantity of units.

Specifications

• Organization: 32K x 8 bits
• Supply voltage: 5V ±10%
• Access time: 150 ns
• Operating temperature range: -55°C to +125°C
• Data retention: Greater than 10 years
• Endurance: 10,000 write cycles

Detailed Pin Configuration

The AT28C256-15UM/883-815 has a total of 28 pins. Here is the detailed pin configuration:

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. VCC - Power Supply
10. OE - Output Enable
11. CE - Chip Enable
12. WE - Write Enable
13. I/O0 - Data Input/Output
14. I/O1 - Data Input/Output
15. I/O2 - Data Input/Output
16. I/O3 - Data Input/Output
17. I/O4 - Data Input/Output
18. I/O5 - Data Input/Output
19. I/O6 - Data Input/Output
20. I/O7 - Data Input/Output
21. NC - No Connection
22. GND - Ground
23. NC - No Connection
24. NC - No Connection
25. NC - No Connection
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• Byte-wise programmable: The AT28C256-15UM/883-815 allows individual bytes to be programmed or erased.
• Easy integration: It can be easily interfaced with various microcontrollers and other digital systems.
• High reliability: The non-volatile nature of the memory ensures data integrity even in harsh environments.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High capacity allows for storing a significant amount of information.
• Fast access time enables quick retrieval of stored data.
• Low power consumption makes it suitable for portable and battery-powered devices.

Disadvantages

• Limited endurance: The AT28C256-15UM/883-815 has a limited number of write cycles before it may start to degrade.
• Relatively larger package size compared to modern surface-mount devices.

Working Principles

The AT28C256-15UM/883-815 is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a grid of memory cells that can be individually programmed or erased using electrical signals. The stored data remains intact even when power is removed, making it non-volatile in nature.

Detailed Application Field Plans

The AT28C256-15UM/883-815 finds applications in various electronic systems, including but not limited to: - Embedded systems - Microcontrollers - Industrial control systems - Automotive electronics - Communication devices

Detailed and Complete Alternative Models

Some alternative models to the AT28C256-15UM/883-815 include: - AT28C256-12PC - AT28C256-20PI - AT28C256-25DM/883

These models offer similar functionality and characteristics, but may differ in terms of speed, temperature range, or package type.

In conclusion, the AT28C256-15UM/883-815 is a non