AT28LV256-25JI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT28LV256-25JI is a high-performance, low-power electrically erasable and programmable read-only memory (EEPROM) IC. It is designed to store and retrieve digital information in various electronic devices.

Characteristics: - High performance - Low power consumption - Electrically erasable and programmable - Read-only memory - Large storage capacity - Reliable data retention

Package: The AT28LV256-25JI is available in a 32-pin plastic J-lead chip carrier (PLCC) package. This package provides mechanical protection and facilitates easy installation on printed circuit boards.

Essence: The essence of the AT28LV256-25JI is its ability to store and retrieve digital information reliably, making it an essential component in many electronic devices.

Packaging/Quantity: The AT28LV256-25JI 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 supplier.

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Operating Voltage: 2.7V - 5.5V
• Access Time: 250 nanoseconds
• Organization: 32K x 8 bits
• Erase/Write Cycle Endurance: 10,000 cycles
• Data Retention: 10 years
• Package Type: PLCC-32

Detailed Pin Configuration

The AT28LV256-25JI has a total of 32 pins. The pin configuration is as follows:

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VCC
13. OE#
14. CE#
15. WE#
16. I/O0
17. I/O1
18. I/O2
19. I/O3
20. I/O4
21. I/O5
22. I/O6
23. I/O7
24. NC
25. GND
26. A8
27. A9
28. A11
29. A10
30. A14
31. A13
32. NC

Functional Features

• High-speed access: The AT28LV256-25JI provides fast access to stored data, allowing for efficient read and write operations.
• Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Electrically erasable and programmable: The AT28LV256-25JI can be easily erased and reprogrammed electrically, eliminating the need for external programming equipment.
• Reliable data retention: The IC ensures long-term data retention, maintaining stored information even in harsh environmental conditions.

Advantages and Disadvantages

Advantages: - High performance and reliability - Low power consumption - Easy to erase and reprogram - Large storage capacity - Suitable for various electronic devices

Disadvantages: - Limited erase/write cycle endurance (10,000 cycles) - Relatively high access time (250 nanoseconds)

Working Principles

The AT28LV256-25JI utilizes a combination of electronic circuits and memory cells to store and retrieve digital information. It employs a specific architecture that allows for efficient reading and writing of data. When powered on, the IC enables access to the stored information based on the input signals received from the device it is connected to.

Detailed Application Field Plans

The AT28LV256-25JI is widely used in various electronic devices that require non-volatile memory storage. Some of the common application fields include: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

1. AT28C256-15PU: Similar to AT28LV256-25JI, but with a different package type (PDIP-28).
2. AT28BV256-20TI: Offers similar functionality with additional features like software data protection and block lock protection.
3. AT28HC256-90SU: Higher-speed alternative with an access time of 90 nanoseconds.

These alternative models provide similar capabilities to the AT28LV256-25JI, allowing users to choose the most suitable option based on their specific requirements.

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