AT49F040-12PI

Product Overview

Category

AT49F040-12PI belongs to the category of Flash Memory ICs.

Use

It is primarily used for non-volatile storage in various electronic devices such as computers, smartphones, and embedded systems.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High storage capacity: The AT49F040-12PI has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: It offers a fast access time of 120 nanoseconds.
• Low power consumption: Designed to operate with low power requirements.
• Reliable: Provides high endurance and data retention capabilities.
• Easy integration: Compatible with standard microcontrollers and interface protocols.

Package

The AT49F040-12PI is available in a 32-pin plastic DIP (Dual Inline Package) format.

Essence

The essence of AT49F040-12PI lies in its ability to provide reliable and high-capacity non-volatile storage for electronic devices.

Packaging/Quantity

The AT49F040-12PI is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Storage Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 120 Nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

1. A16
2. A15
3. A14
4. A13
5. A12
6. A7
7. A6
8. A5
9. A4
10. A3
11. A2
12. A1
13. A0
14. VCC
15. OE#
16. CE#
17. WE#
18. BYTE#
19. DQ0
20. DQ1
21. DQ2
22. DQ3
23. DQ4
24. DQ5
25. DQ6
26. DQ7
27. RY/BY#
28. NC
29. RP#
30. VSS
31. RESET#
32. WP#

Functional Features

• Easy Read/Write operations: Supports simple read and write operations for data storage.
• Sector Erase: Allows erasing of specific sectors, enabling efficient memory management.
• Chip Erase: Provides the ability to erase the entire chip, allowing for complete data removal.
• Write Protection: Offers write protection functionality to prevent accidental modification of stored data.
• Ready/Busy Output: Provides a signal indicating the status of the device during read or write operations.

Advantages

• High storage capacity allows for ample data storage in various applications.
• Fast access time ensures quick retrieval of stored information.
• Low power consumption makes it suitable for battery-powered devices.
• Reliable endurance and data retention capabilities ensure long-term data integrity.
• Easy integration with standard microcontrollers and interface protocols simplifies system design.

Disadvantages

• Limited storage capacity compared to newer flash memory technologies.
• Parallel interface may not be compatible with certain modern systems that primarily use serial interfaces.
• Higher cost per unit compared to lower-capacity flash memory options.

Working Principles

The AT49F040-12PI utilizes a floating gate transistor technology to store data. It employs a combination of electrical charges to represent binary values (0s and 1s). The data can be written, read, and erased using specific voltage levels and control signals.

Detailed Application Field Plans

The AT49F040-12PI finds application in various electronic devices, including but not limited to: - Personal computers - Laptops and notebooks - Smartphones and tablets - Embedded systems - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. AT49F002N-12PI: 2 Megabit Flash Memory IC with similar characteristics and pin configuration.
2. AT49F080-12PI: 8 Megabit Flash Memory IC with higher storage capacity.
3. AT49F010-12PI: 1 Megabit Flash Memory IC with lower storage capacity.

These alternative models offer different storage capacities to cater to specific application requirements.

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