AT49BV002NT-90JC
Product Overview
Category
AT49BV002NT-90JC 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 AT49BV002NT-90JC retains stored data even when power is removed.
- High capacity: This device has a storage capacity of 2 megabits (256 kilobytes).
- Fast access time: It offers a fast access time of 90 nanoseconds.
- Low power consumption: The AT49BV002NT-90JC operates on low power, making it suitable for battery-powered devices.
Package
The AT49BV002NT-90JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.
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.
Packaging/Quantity
The AT49BV002NT-90JC is typically packaged in reels or tubes, with a quantity of 1000 units per package.
Specifications
- Memory Type: Flash
- Organization: 256K x 8 bits
- Supply Voltage: 2.7V - 3.6V
- Access Time: 90 ns
- Operating Temperature Range: -40°C to +85°C
- Erase/Write Cycle Endurance: 10,000 cycles
Detailed Pin Configuration
The AT49BV002NT-90JC has a total of 32 pins. Here is the pin configuration:
- A16
- A14
- A12
- A7
- A6
- A5
- A4
- A3
- A2
- A1
- A0
- VCC
- OE#
- CE#
- WE#
- BYTE#
- I/O0
- I/O1
- I/O2
- I/O3
- I/O4
- I/O5
- I/O6
- I/O7
- RY/BY#
- RESET#
- NC
- GND
- A15
- A13
- A11
- A8
Functional Features
- Fast Read and Write Operations: The AT49BV002NT-90JC offers high-speed read and write operations, allowing for efficient data transfer.
- Sector Erase Capability: This device supports sector erase operations, enabling selective erasure of specific memory sectors.
- Hardware Data Protection: It provides hardware protection mechanisms to prevent accidental writes or erasures, ensuring data integrity.
Advantages and Disadvantages
Advantages
- Non-volatile storage 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.
Disadvantages
- Limited erase/write endurance compared to some other non-volatile memory technologies.
- Higher cost per bit compared to traditional volatile memory.
Working Principles
The AT49BV002NT-90JC utilizes flash memory technology to store data. It consists of a grid of memory cells that can be electrically programmed and erased. When data is written, charges are trapped within the memory cells, representing the stored information. These charges can be read back later, providing non-volatile storage.
Detailed Application Field Plans
The AT49BV002NT-90JC finds applications in various fields, including: - Microcontrollers and embedded systems - Automotive electronics - Industrial control systems - Consumer electronics - Communication devices
Detailed and Complete Alternative Models
- AT49BV002NT-70JC: Similar to the AT49BV002NT-90JC but with a slower access time of 70 ns.
- AT49BV002NT-55JC: Another variant with an even faster access time of 55 ns.
- AT49BV002NT-120JC: A higher endurance model with 12,000 erase/write cycles.
These alternative models provide options based on specific requirements such as speed, endurance, or cost considerations.
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技術ソリューションにおける AT49BV002NT-90JC の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of AT49BV002NT-90JC in technical solutions:
Q: What is the AT49BV002NT-90JC? A: The AT49BV002NT-90JC is a 2-megabit (256K x 8) CMOS flash memory device manufactured by Atmel.
Q: What are the key features of the AT49BV002NT-90JC? A: Some key features include a 90ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.
Q: How can I interface the AT49BV002NT-90JC with a microcontroller? A: The AT49BV002NT-90JC uses a standard parallel interface, making it compatible with most microcontrollers. You can connect it using address, data, and control lines.
Q: Can I use the AT49BV002NT-90JC as a storage device for my embedded system? A: Yes, the AT49BV002NT-90JC is commonly used as a non-volatile storage device in embedded systems due to its high capacity and fast access time.
Q: Does the AT49BV002NT-90JC support sector erase operations? A: Yes, the AT49BV002NT-90JC supports sector erase operations, allowing you to erase specific sectors of the memory without affecting other data.
Q: What is the power consumption of the AT49BV002NT-90JC? A: The AT49BV002NT-90JC has low power consumption, making it suitable for battery-powered applications or devices with limited power budgets.
Q: Can I program the AT49BV002NT-90JC in-circuit? A: Yes, the AT49BV002NT-90JC supports in-circuit programming, allowing you to program or update the memory contents without removing it from the circuit.
Q: Is the AT49BV002NT-90JC compatible with industrial temperature ranges? A: Yes, the AT49BV002NT-90JC is designed to operate within an industrial temperature range of -40°C to +85°C, making it suitable for various environments.
Q: Can I use the AT49BV002NT-90JC in automotive applications? A: Yes, the AT49BV002NT-90JC is automotive qualified and can be used in automotive applications that require reliable non-volatile storage.
Q: Are there any known limitations or considerations when using the AT49BV002NT-90JC? A: While the AT49BV002NT-90JC is a versatile flash memory device, it's important to consider factors such as endurance limitations, proper voltage levels, and noise immunity during design and implementation.
Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with technical experts for detailed information.