AT28HC256-12PI

Product Overview

Category

AT28HC256-12PI belongs to the category of high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is commonly used in electronic devices for non-volatile data storage. It allows for easy and efficient data retrieval even when power is turned off.

Characteristics

• High-speed operation
• Low power consumption
• Non-volatile memory
• Reliable data retention
• Easy to program and erase

Package

AT28HC256-12PI comes in a standard 28-pin DIP (Dual In-line Package) format. This package provides ease of use and compatibility with various electronic systems.

Essence

The essence of AT28HC256-12PI lies in its ability to store and retrieve data reliably, making it an essential component in many electronic devices.

Packaging/Quantity

AT28HC256-12PI is typically packaged in tubes or trays, containing a quantity of 25 or 50 units per package.

Specifications

• Operating Voltage: 2.7V - 5.5V
• Access Time: 120ns
• Organization: 32K x 8 bits
• Endurance: 100,000 write cycles
• Data Retention: 10 years
• Interface: Parallel

Pin Configuration

The pin configuration of AT28HC256-12PI is as follows:

1. A0
2. A1
3. A2
4. A3
5. A4
6. A5
7. A6
8. A7
9. VSS (Ground)
10. E (Chip Enable)
11. G (Output Enable)
12. WE (Write Enable)
13. OE (Output Enable)
14. I/O0
15. I/O1
16. I/O2
17. I/O3
18. I/O4
19. I/O5
20. I/O6
21. I/O7
22. VCC (Power)
23. NC (No Connection)
24. NC
25. NC
26. NC
27. NC
28. NC

Functional Features

• High-speed operation allows for quick data access.
• Low power consumption ensures energy efficiency.
• Non-volatile memory retains data even when power is turned off.
• Easy programming and erasing capabilities simplify the integration process.

Advantages and Disadvantages

Advantages

• Fast access time improves overall system performance.
• Low power consumption extends battery life in portable devices.
• Reliable data retention ensures data integrity.
• Easy programming and erasing features simplify device integration.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Higher cost per bit compared to some alternative memory solutions.

Working Principles

AT28HC256-12PI utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores information by trapping electrical charges within a floating gate structure. The presence or absence of these charges determines the stored data.

Detailed Application Field Plans

AT28HC256-12PI finds applications in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial control systems - Automotive electronics - Communication devices

Alternative Models

Some alternative models that offer similar functionality to AT28HC256-12PI include: - AT28C256-15PU - 28C256-15PI - M28C256B-15P1 - 28C256-15PC

These models provide comparable specifications and can be used as alternatives depending on specific requirements.

In conclusion, AT28HC256-12PI is a high-speed, low-power EEPROM chip that offers reliable data storage and retrieval capabilities. Its ease of use, compatibility, and functional features make it suitable for various electronic applications. While it has certain limitations, alternative models are available to cater to different needs in the market.