AT49F2048A-90RC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT49F2048A-90RC is a high-performance flash memory IC designed for use in various electronic devices. It provides non-volatile storage capabilities, allowing data to be stored even when power is removed.

Characteristics: - High capacity: The AT49F2048A-90RC has a storage capacity of 2 megabits (256 kilobytes). - Fast access time: With a maximum access time of 90 nanoseconds, it offers quick data retrieval. - Low power consumption: The IC operates on low power, making it suitable for battery-powered devices. - Durable: It can withstand multiple read and write cycles without degradation in performance.

Package: The AT49F2048A-90RC is available in a 32-pin TSOP (Thin Small Outline Package) form factor. This package ensures easy integration into circuit boards and provides mechanical protection to the IC.

Essence: The essence of the AT49F2048A-90RC lies in its ability to provide reliable and high-capacity non-volatile storage for electronic devices.

Packaging/Quantity: The AT49F2048A-90RC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory Capacity: 2 Megabits (256 Kilobytes)
• Access Time: 90 Nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin TSOP

Pin Configuration

The AT49F2048A-90RC features a 32-pin configuration. Here is a detailed pinout:

1. A16
2. A14
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. BYTE#
17. NC
18. DQ0
19. DQ1
20. DQ2
21. DQ3
22. DQ4
23. DQ5
24. DQ6
25. DQ7
26. RY/BY#
27. RESET#
28. VSS
29. RP#
30. WP#
31. A15
32. A13

Functional Features

The AT49F2048A-90RC offers the following functional features:

• Byte-wide and word-wide operations for flexible data access.
• Sector erase capability, allowing selective erasure of specific memory sectors.
• Automatic sleep mode to conserve power when not in use.
• Hardware and software data protection mechanisms to prevent accidental modification or deletion of stored data.
• High-speed programming and erase operations for efficient data management.

Advantages and Disadvantages

Advantages: - High storage capacity for accommodating large amounts of data. - Fast access time ensures quick retrieval of information. - Low power consumption makes it suitable for battery-powered devices. - Durable design allows for multiple read and write cycles without performance degradation.

Disadvantages: - Limited compatibility with certain older device interfaces. - Relatively higher cost compared to lower-capacity flash memory options.

Working Principles

The AT49F2048A-90RC utilizes a floating-gate transistor technology to store data. It employs a combination of electrical charges to represent binary values (0s and 1s). The IC uses a series of control signals to perform read, write, and erase operations on the memory cells.

Detailed Application Field Plans

The AT49F2048A-90RC finds applications in various electronic devices, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Its high capacity and fast access time make it suitable for storing firmware, program code, configuration data, and other critical information in these applications.

Detailed and Complete Alternative Models

• AT49F1024A-90RC: 1 Megabit (128 Kilobytes) flash memory IC with similar characteristics.
• AT49F4096A-90RC: 4 Megabit (512 Kilobytes) flash memory IC with higher storage capacity.
• AT49F8192A-90RC: 8 Megabit (1 Megabyte) flash memory IC with even greater capacity.

These alternative models provide options for different storage requirements while maintaining compatibility with the AT49F2048A-90RC's specifications and pin configuration.

Word count: 581 words