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AT49F002T-90PC
Product Overview
Category
AT49F002T-90PC belongs to the category of Flash Memory.
Use
It is primarily used for data storage and retrieval in electronic devices.
Characteristics
- Non-volatile memory
- High-speed read and write operations
- Low power consumption
- Wide operating voltage range
- Durable and reliable
Package
AT49F002T-90PC is available in a 32-pin PDIP (Plastic Dual In-line Package) format.
Essence
The essence of AT49F002T-90PC lies in its ability to store and retrieve digital information reliably and efficiently.
Packaging/Quantity
This product is typically packaged in tubes or trays, with each containing a specific quantity of AT49F002T-90PC chips.
Specifications
- Manufacturer: Atmel Corporation
- Part Number: AT49F002T-90PC
- Memory Type: Flash
- Memory Size: 2 Megabits (256 Kbytes)
- Access Time: 90 nanoseconds
- Supply Voltage: 4.5V - 5.5V
- Operating Temperature Range: -40°C to +85°C
- Pin Count: 32
- Package Type: PDIP
Detailed Pin Configuration
- A16
- A15
- A12
- A7
- A6
- A5
- A4
- A3
- A2
- A1
- A0
- VPP
- OE#
- CE#
- WE#
- I/O0
- I/O1
- I/O2
- I/O3
- I/O4
- I/O5
- I/O6
- I/O7
- VCC
- GND
- NC
- NC
- NC
- NC
- NC
- NC
- NC
Functional Features
- High-speed data transfer
- Easy integration into existing systems
- Reliable data retention
- Flexible programming and erasing options
- Low power consumption
Advantages
- Fast access time allows for quick data retrieval
- Wide operating voltage range ensures compatibility with various devices
- Durable construction ensures long-term reliability
- Low power consumption prolongs battery life in portable devices
Disadvantages
- Limited storage capacity compared to newer flash memory technologies
- Higher cost per unit compared to other memory options
Working Principles
AT49F002T-90PC utilizes a floating gate transistor technology to store digital information. The memory cells are organized in a matrix, with each cell capable of storing one bit of data. The state of each memory cell is determined by the presence or absence of an electrical charge on the floating gate. This charge can be modified through programming and erased when necessary.
Detailed Application Field Plans
AT49F002T-90PC finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Communication devices - Automotive electronics - Consumer electronics
Detailed and Complete Alternative Models
- AT49F002N-90PC
- AT49F002T-12TC
- AT49F002NT-70VC
- AT49F002AN-55VI
- AT49F002ANT-55JC
These alternative models offer similar functionality and characteristics to AT49F002T-90PC, providing users with options based on their specific requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT49F002T-90PC v technických řešeních
Sure! Here are 10 common questions and answers related to the application of AT49F002T-90PC in technical solutions:
Q: What is the AT49F002T-90PC? A: The AT49F002T-90PC is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.
Q: What are the key features of the AT49F002T-90PC? A: The key features include a 90ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.
Q: How can I interface the AT49F002T-90PC with a microcontroller? A: The AT49F002T-90PC 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 AT49F002T-90PC as a boot device for my microcontroller? A: Yes, the AT49F002T-90PC can be used as a boot device. It supports both parallel and serial boot modes, allowing you to load your program code during system startup.
Q: How do I erase the AT49F002T-90PC memory? A: The AT49F002T-90PC supports sector erase, which means you can erase specific sectors of the memory. This can be done by sending the appropriate commands and addresses to the chip.
Q: What is the maximum operating voltage for the AT49F002T-90PC? A: The AT49F002T-90PC operates at a voltage range of 4.5V to 5.5V.
Q: Can I use the AT49F002T-90PC in battery-powered applications? A: Yes, the AT49F002T-90PC has low power consumption, making it suitable for battery-powered applications where power efficiency is crucial.
Q: Is the AT49F002T-90PC compatible with industrial temperature ranges? A: Yes, the AT49F002T-90PC is designed to operate within the industrial temperature range of -40°C to +85°C.
Q: Can I program the AT49F002T-90PC in-circuit or do I need a separate programmer? A: The AT49F002T-90PC can be programmed in-circuit using standard programming algorithms. However, you may need an external programmer depending on your specific setup.
Q: Are there any known limitations or considerations when using the AT49F002T-90PC? A: One consideration is that the AT49F002T-90PC does not support byte-level programming or erasing. It only supports sector erase and programming at the sector level. Additionally, care should be taken to ensure proper voltage levels and timing requirements are met during programming and operation.
Please note that these answers are general and may vary depending on the specific application and requirements.