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AT49F002-12VI
Product Overview
Category
AT49F002-12VI belongs to the category of Flash Memory Chips.
Use
It is primarily used for storing and retrieving digital information in electronic devices.
Characteristics
- Non-volatile memory: Retains data even when power is turned off.
- High storage capacity: The AT49F002-12VI has a storage capacity of 2 megabits (256 kilobytes).
- Fast access time: It offers a fast access time of 120 nanoseconds.
- Low power consumption: Designed to minimize power usage, making it suitable for battery-powered devices.
Package
The AT49F002-12VI is available in a standard 32-pin plastic DIP (Dual In-line Package).
Essence
The essence of AT49F002-12VI lies in its ability to provide reliable and high-capacity non-volatile storage for various electronic applications.
Packaging/Quantity
This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Manufacturer: Atmel Corporation
- Part Number: AT49F002-12VI
- Memory Type: Flash
- Memory Size: 2 Megabits (256 Kilobytes)
- Access Time: 120 Nanoseconds
- Supply Voltage: 5V
- Operating Temperature Range: -40°C to +85°C
- Package Type: 32-pin Plastic DIP
Detailed Pin Configuration
The AT49F002-12VI features a 32-pin configuration. Here is a detailed pinout:
- A16
- A14
- A12
- A7
- A6
- A5
- A4
- A3
- A2
- A1
- A0
- VPP
- WE#
- OE#
- CE#
- BYTE#
- NC
- DQ0
- DQ1
- DQ2
- DQ3
- DQ4
- DQ5
- DQ6
- DQ7
- VCC
- GND
- A8
- A9
- A11
- A13
- A15
Functional Features
- Erase and Program Operations: The AT49F002-12VI supports both sector erase and byte programming operations.
- Automatic Write Timing: It features an internal write timer that simplifies the programming process.
- Hardware Data Protection: The device includes a hardware protection feature to prevent accidental data modification.
- High Reliability: Designed with advanced error correction techniques, ensuring data integrity.
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 extends battery life in portable devices.
- Hardware data protection prevents accidental modifications.
Disadvantages
- Limited storage capacity compared to newer flash memory technologies.
- Relatively slower access time compared to some modern alternatives.
Working Principles
The AT49F002-12VI utilizes a floating-gate transistor technology to store digital information. It employs a combination of electrical charges to represent binary data (0s and 1s). The memory cells can be erased and programmed using specific voltage levels applied to the control pins.
Detailed Application Field Plans
The AT49F002-12VI finds application in various electronic devices, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices
Detailed and Complete Alternative Models
- AT49F002N-12VI
- AT49F002NT-12VI
- AT49F002T-12VI
- AT49F002BT-12VI
- AT49F002AN-12VI
These alternative models offer similar functionality and characteristics to the AT49F002-12VI, providing options for different application requirements.
In conclusion, the AT49F002-12VI flash memory chip offers reliable non-volatile storage with a high capacity of 2 megabits. Its fast access time and low power consumption make it suitable for various electronic applications. While it may have limitations in terms of storage capacity compared to newer technologies, it remains a dependable choice for many embedded systems and consumer electronics.
Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van AT49F002-12VI in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of AT49F002-12VI in technical solutions:
Q: What is the AT49F002-12VI? A: The AT49F002-12VI is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.
Q: What are the key features of the AT49F002-12VI? A: The key features include a 12V programming voltage, fast read and write operations, low power consumption, and a wide operating temperature range.
Q: What applications can the AT49F002-12VI be used for? A: The AT49F002-12VI is commonly used in various applications such as embedded systems, automotive electronics, industrial control systems, and consumer electronics.
Q: How does the AT49F002-12VI achieve fast read and write operations? A: The AT49F002-12VI utilizes a high-performance CMOS process and advanced circuitry to achieve fast access times and efficient data transfer.
Q: Can the AT49F002-12VI be reprogrammed multiple times? A: Yes, the AT49F002-12VI supports in-system reprogramming, allowing it to be erased and reprogrammed multiple times.
Q: What is the maximum operating frequency of the AT49F002-12VI? A: The AT49F002-12VI can operate at frequencies up to 33 MHz, making it suitable for high-speed data storage and retrieval.
Q: Does the AT49F002-12VI require any external power supply or voltage regulation? A: No, the AT49F002-12VI operates directly from a single 5V power supply, eliminating the need for additional voltage regulation circuitry.
Q: Can the AT49F002-12VI withstand harsh environmental conditions? A: Yes, the AT49F002-12VI is designed to operate reliably in a wide temperature range (-40°C to +85°C) and can withstand mechanical stress and vibration.
Q: What programming algorithms are supported by the AT49F002-12VI? A: The AT49F002-12VI supports various programming algorithms such as byte-by-byte programming, sector erase, chip erase, and software data protection.
Q: Are there any specific precautions to consider when using the AT49F002-12VI? A: It is important to follow the manufacturer's guidelines for handling, storage, and programming of the AT49F002-12VI to ensure proper operation and avoid potential damage.
Please note that these answers are general and may vary depending on the specific requirements and implementation of the AT49F002-12VI in different technical solutions.