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AT49F002N-55JI
Product Overview
Category: Integrated Circuit (IC)
Use: The AT49F002N-55JI is a non-volatile memory IC primarily used for data storage and retrieval in electronic devices.
Characteristics: - Non-volatile: Retains stored data even when power is disconnected. - High capacity: Offers 2 megabits (256 kilobytes) of storage space. - Fast access time: Provides quick data retrieval with a maximum access time of 55 nanoseconds. - Low power consumption: Operates efficiently, consuming minimal power during operation. - Durable: Designed to withstand harsh environmental conditions.
Package: The AT49F002N-55JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.
Essence: This IC serves as a reliable and efficient solution for storing and accessing data in various electronic applications.
Packaging/Quantity: The AT49F002N-55JI is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Memory Type: Flash
- Memory Size: 2 Megabits (256 Kilobytes)
- Access Time: 55 Nanoseconds
- Supply Voltage: 5V
- Operating Temperature Range: -40°C to +85°C
- Package Type: 32-pin PLCC
Pin Configuration
The AT49F002N-55JI features the following pin configuration:
1 A16 32
2 A14 31
3 A12 30
4 A7 29
5 A6 28
6 A5 27
7 A4 26
8 A3 25
9 A2 24
10 A1 23
11 A0 22
12 VCC 21
13 OE# 20
14 CE# 19
15 WE# 18
16 I/O7 17
Functional Features
The AT49F002N-55JI offers the following functional features:
- Easy integration: Can be easily integrated into existing electronic systems.
- High-speed data transfer: Enables fast read and write operations.
- Sector erase capability: Allows selective erasure of specific memory sectors.
- Write protection: Provides options for protecting stored data from accidental modification.
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 prolongs battery life in portable devices. - Durable design withstands challenging environmental conditions.
Disadvantages: - Limited storage capacity compared to newer memory technologies. - Requires external programming voltage for write operations. - Relatively higher cost compared to some alternative memory solutions.
Working Principles
The AT49F002N-55JI utilizes flash memory technology to store and retrieve data. It employs a grid of memory cells that can be electrically programmed and erased. The IC uses a combination of transistors and floating gate structures to trap and release electrical charges, representing binary data (0s and 1s). This trapped charge determines the stored information, which can be accessed by the system when required.
Detailed Application Field Plans
The AT49F002N-55JI finds application in various electronic devices and systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices
Detailed and Complete Alternative Models
Some alternative models to the AT49F002N-55JI include: - AT49F002N-90JI - AT49F002N-12JI - AT49F002N-55PI - AT49F002N-70PI
These alternative models offer similar functionality and characteristics, providing options for different project requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT49F002N-55JI en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of AT49F002N-55JI in technical solutions:
Q: What is the AT49F002N-55JI? A: The AT49F002N-55JI is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.
Q: What are the key features of the AT49F002N-55JI? A: Some key features include a 55ns access time, low power consumption, byte-wide data access, and compatibility with various microcontrollers.
Q: How can I interface the AT49F002N-55JI with a microcontroller? A: The AT49F002N-55JI uses a standard parallel interface, making it compatible with most microcontrollers. You can connect it using address, data, and control lines.
Q: What voltage levels does the AT49F002N-55JI support? A: The AT49F002N-55JI supports a single power supply voltage range of 4.5V to 5.5V.
Q: Can I use the AT49F002N-55JI as a program memory for my microcontroller? A: Yes, the AT49F002N-55JI can be used as a program memory for microcontrollers that require external non-volatile storage.
Q: How do I erase and program the AT49F002N-55JI? A: The AT49F002N-55JI supports both sector erase and byte programming operations. You can use specific commands and timing sequences to perform these operations.
Q: Is the AT49F002N-55JI suitable for high-speed applications? A: Yes, the AT49F002N-55JI has a fast access time of 55ns, making it suitable for high-speed applications that require quick data retrieval.
Q: Can I use multiple AT49F002N-55JI chips in parallel to increase storage capacity? A: Yes, you can connect multiple AT49F002N-55JI chips in parallel to increase the overall storage capacity of your system.
Q: Does the AT49F002N-55JI have any built-in security features? A: No, the AT49F002N-55JI does not have built-in security features such as hardware write protection or encryption.
Q: Where can I find more detailed information about the AT49F002N-55JI? A: You can refer to the datasheet provided by Atmel or visit their official website for more detailed technical information about the AT49F002N-55JI.