AT27BV256-90JC

Product Overview

Category

AT27BV256-90JC belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for data storage and retrieval purposes.

Characteristics

• Non-volatile memory: The AT27BV256-90JC is a non-volatile memory chip, meaning it retains stored data even when power is removed.
• High capacity: It has a storage capacity of 256 kilobits (32 kilobytes).
• Fast access time: The access time for reading or writing data is 90 nanoseconds.
• Low power consumption: This chip is designed to operate with low power requirements.
• Wide temperature range: It can function reliably within a wide temperature range, making it suitable for various environments.

Package

The AT27BV256-90JC is available in a standard 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide non-volatile memory storage with high capacity and fast access times.

Packaging/Quantity

The AT27BV256-90JC is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact quantity may vary depending on the supplier or customer requirements.

Specifications

• Memory Type: Non-volatile
• Capacity: 256 kilobits (32 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27BV256-90JC has a total of 32 pins. Here is a detailed pin configuration:

1. A16
2. A15
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VPP
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. VCC
25. GND
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

The AT27BV256-90JC offers the following functional features:

• Byte-wide operations: It supports byte-level read and write operations.
• Chip enable control: The CE# pin allows for easy control of chip enable/disable functionality.
• Output enable control: The OE# pin enables or disables the output buffers, allowing for efficient data retrieval.
• Write enable control: The WE# pin controls the write operation, ensuring data integrity.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity suitable for various applications.
• Fast access time allows for quick data retrieval.
• Low power consumption for energy-efficient operation.
• Wide temperature range makes it adaptable to different environments.

Disadvantages

• Limited storage capacity compared to higher-end memory chips.
• Relatively slower access time compared to some newer memory technologies.

Working Principles

The AT27BV256-90JC utilizes a combination of electronic circuits and memory cells to store and retrieve data. It employs non-volatile memory technology, specifically Flash memory, which allows for data retention without the need for continuous power supply. The chip's internal circuitry manages the read and write operations, ensuring data integrity and efficient access.

Detailed Application Field Plans

The AT27BV256-90JC finds applications in various electronic devices that require non-volatile memory storage. Some potential application fields include:

1. Consumer Electronics: Used in digital cameras, MP3 players, and portable gaming devices for storing user data and firmware.
2. Industrial Control Systems: Employed in programmable logic controllers (PLCs) and automation systems to store configuration settings and program code.
3. Automotive Electronics: Utilized in automotive control units for storing calibration data, firmware, and diagnostic information.
4. Medical Devices: Integrated into medical equipment for data logging, patient monitoring, and firmware storage.

Detailed and Complete Alternative Models

1. AT27C256R-90JI: Similar to AT27BV256-90JC but with a different package type (32-pin PLCC).
2. AT28C256-15PU: Offers the same capacity but operates at a slower access time of 150 nanoseconds.
3. AT29C256-12PC: Provides the same capacity and access time but comes in a different package