AT27BV256-70JC

Product Overview

Category

AT27BV256-70JC belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The stored data remains intact even when power is removed.
• High capacity: The AT27BV256-70JC has a storage capacity of 256 kilobits.
• Fast access time: It operates at a speed of 70 nanoseconds.
• Low power consumption: The device is designed to minimize power usage.
• Reliable: It offers high endurance and data retention capabilities.

Package

The AT27BV256-70JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

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

Packaging/Quantity

The AT27BV256-70JC is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 256 kilobits
• Access Time: 70 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27BV256-70JC has a total of 32 pins, which are assigned specific functions. 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. A15 - Address Input
17. CE - Chip Enable Input
18. OE - Output Enable Input
19. WE - Write Enable Input
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. I/O4 - Data Input/Output
25. I/O5 - Data Input/Output
26. I/O6 - Data Input/Output
27. I/O7 - Data Input/Output
28. VCC - Power Supply
29. GND - Ground
30. NC - No Connection
31. NC - No Connection
32. NC - No Connection

Functional Features

• Random Access: The AT27BV256-70JC allows for random access to any memory location.
• High-Speed Read and Write Operations: It offers fast read and write operations, enabling efficient data transfer.
• Low Power Consumption: The device is designed to minimize power consumption, making it suitable for battery-powered applications.
• Data Protection: It incorporates various mechanisms to protect stored data from accidental corruption.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for a wide range of applications.
• Fast access time allows for quick data retrieval.
• Low power consumption prolongs battery life in portable devices.
• Reliable and durable design ensures long-term data integrity.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to volatile memory devices.
• Higher cost per bit compared to some other memory options.

Working Principles

The AT27BV256-70JC is based on Flash memory technology. It utilizes a combination of floating-gate transistors and charge storage mechanisms to store data. When data is written, an electrical charge is trapped in the floating gate, altering the transistor's behavior. This charge can be later sensed to retrieve the stored data. The device employs various control signals to enable read, write, and erase operations.

Detailed Application Field Plans

The AT27BV256-70JC finds applications in various electronic systems that require non-volatile data storage. Some common application fields include:

1. Embedded Systems: The device can be used in microcontrollers and other embedded systems to store program code and configuration data.
2. Consumer Electronics: It is suitable for use in devices such as digital cameras, set-top boxes, and portable media players to store user data and firmware.
3. Industrial Automation: The AT27BV256-70JC can be utilized in industrial control systems for storing critical parameters, calibration data