AT27BV040-12TC

Product Overview

Category

AT27BV040-12TC belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The AT27BV040-12TC retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: The device has a fast access time of 120 nanoseconds.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT27BV040-12TC is available in a standard 32-pin Thin Small Outline Package (TSOP).

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power interruptions or system failures.

Packaging/Quantity

The AT27BV040-12TC is typically packaged in reels containing multiple units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Non-volatile Flash
• Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 120 Nanoseconds
• Operating Voltage: 2.7V - 3.6V
• Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT27BV040-12TC features a 32-pin configuration with the following pin assignments:

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

• High-speed data transfer: The AT27BV040-12TC offers fast read and write operations, enabling efficient data transfer.
• Sector erase capability: It allows for selective erasure of specific memory sectors, enhancing flexibility in data management.
• Low power consumption: The device operates at low power levels, reducing energy consumption and extending battery life.
• Reliable data retention: The non-volatile nature of the memory ensures that stored data remains intact even during power loss or system failures.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity.
• High capacity for storing large amounts of data.
• Fast access time enables quick data retrieval.
• Low power consumption prolongs battery life.
• Sector erase capability enhances data management flexibility.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to some alternatives.
• Limited endurance in terms of write cycles.

Working Principles

The AT27BV040-12TC utilizes flash memory technology for data storage. It employs a combination of floating-gate transistors and charge trapping mechanisms to store and retrieve data. When data is written, charges are trapped within the floating gate, altering the transistor's behavior. These charges can be later read by applying appropriate voltage levels to the memory cells. The non-volatile nature of the memory ensures that the stored data remains intact even when power is removed.

Detailed Application Field Plans

The AT27BV040-12TC finds applications in various fields, including:

1. Microcontrollers: Used for program storage in microcontroller-based systems.
2. Embedded Systems: Provides non-volatile storage for firmware and configuration data in embedded systems.
3. Consumer Electronics: Used in devices such as set-top boxes, digital cameras, and portable media players for data storage.

Detailed and Complete Alternative Models

Some alternative models to the AT27BV040-12