AT27LV256A-15RI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT27LV256A-15RI is a high-performance electrically erasable programmable read-only memory (EEPROM) IC. It is designed to store and retrieve digital information in various electronic systems.

Characteristics: - High storage capacity of 256 kilobits (32 kilobytes) - Fast access time of 150 nanoseconds - Low power consumption - Reliable data retention - Easy to integrate into existing circuitry

Package: The AT27LV256A-15RI is available in a 28-pin plastic dual in-line package (PDIP). This package provides mechanical protection and facilitates easy soldering onto printed circuit boards.

Essence: The essence of the AT27LV256A-15RI lies in its ability to store and retrieve digital data reliably, making it an essential component in many electronic devices.

Packaging/Quantity: The AT27LV256A-15RI is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Access Time: 150 nanoseconds
• Supply Voltage: 5 volts
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Package Type: 28-pin PDIP

Pin Configuration

The AT27LV256A-15RI has a total of 28 pins, each serving a specific function. 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. /OE - Output Enable
17. /CE - Chip Enable
18. DQ0 - Data Input/Output
19. DQ1 - Data Input/Output
20. DQ2 - Data Input/Output
21. DQ3 - Data Input/Output
22. DQ4 - Data Input/Output
23. DQ5 - Data Input/Output
24. DQ6 - Data Input/Output
25. DQ7 - Data Input/Output
26. VCC - Power Supply
27. GND - Ground
28. /WE - Write Enable

Functional Features

The AT27LV256A-15RI offers the following functional features:

• Electrically erasable and programmable memory
• High-speed access for efficient data retrieval
• Low power consumption for energy efficiency
• Reliable data retention for long-term storage
• Easy integration into existing circuitry due to standard pin configuration

Advantages and Disadvantages

Advantages: - High storage capacity allows for storing a significant amount of digital information - Fast access time enables quick retrieval of data - Low power consumption helps in reducing overall energy usage - Reliable data retention ensures data integrity over extended periods - Easy integration simplifies the design and implementation process

Disadvantages: - Limited storage capacity compared to other memory technologies - Relatively slower access time compared to some modern memory technologies - Requires external programming equipment for initial data programming

Working Principles

The AT27LV256A-15RI operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It uses a combination of electrical signals and voltage levels to store and retrieve digital information. The IC can be programmed with new data by applying specific voltage levels to its pins, and the stored data can be accessed by providing appropriate address inputs.

Application Field Plans

The AT27LV256A-15RI finds applications in various electronic systems that require non-volatile storage of digital information. Some potential application fields include: - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics - Communication devices

Alternative Models

There are several alternative models available in the market that offer similar functionality to the AT27LV256A-15RI. Some popular alternatives include: - AT28C256-15PU - 27C256-20JL - M27C256B-12F1

These alternative models may have slightly different specifications or pin configurations but serve the same purpose of storing and retrieving digital information.

In conclusion, the