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AT28BV64B-20JI
Product Overview
Category
AT28BV64B-20JI belongs to the category of non-volatile memory devices.
Use
This product is primarily used for storing and retrieving digital information in electronic systems.
Characteristics
- Non-volatile: The stored data remains intact even when power is removed.
- High capacity: The AT28BV64B-20JI has a storage capacity of 64 kilobits (8 kilobytes).
- Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
- Fast access time: The device offers quick access to stored data.
Package
The AT28BV64B-20JI is available in a JEDEC-standard 32-lead PLCC package.
Essence
The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.
Packaging/Quantity
The AT28BV64B-20JI is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.
Specifications
- Operating voltage: 2.7V - 3.6V
- Access time: 200ns
- Organization: 8K x 8 bits
- Interface: Parallel
- Temperature range: -40°C to +85°C
Detailed Pin Configuration
The AT28BV64B-20JI features a 32-pin configuration. The pinout diagram is as follows:
Pin 1: A12
Pin 2: A7
Pin 3: A6
...
Pin 31: VCC
Pin 32: GND
Functional Features
- Byte-wise programmable: The device allows individual bytes to be programmed or erased.
- In-system programming: The AT28BV64B-20JI can be programmed while in the target system, eliminating the need for separate programming equipment.
- Hardware and software data protection: Various mechanisms are in place to prevent accidental modification or erasure of stored data.
- High endurance: The product supports a high number of program/erase cycles, ensuring long-term reliability.
Advantages and Disadvantages
Advantages
- Non-volatile storage ensures data retention even during power loss.
- Low power consumption makes it suitable for battery-powered devices.
- Fast access time allows for quick retrieval of data.
- In-system programming capability simplifies the manufacturing process.
Disadvantages
- Limited storage capacity compared to other memory devices.
- Higher cost per bit compared to some alternative models.
Working Principles
The AT28BV64B-20JI utilizes a floating-gate transistor technology known as Electrically Erasable Programmable Read-Only Memory (EEPROM). This technology allows for the storage of digital information by trapping electric charges within the floating gate. The presence or absence of these charges determines the stored data.
Detailed Application Field Plans
The AT28BV64B-20JI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Industrial automation - Automotive electronics - Medical devices
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the AT28BV64B-20JI include: - AT28C64B-20PU: A parallel EEPROM with the same storage capacity and operating characteristics. - AT45DB641E-SHN2B-T: A serial flash memory device with higher storage capacity and faster access times.
These alternative models can be considered based on specific requirements and system constraints.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT28BV64B-20JI en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of AT28BV64B-20JI in technical solutions:
Q: What is the AT28BV64B-20JI? A: The AT28BV64B-20JI is a 64K (8K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology.
Q: What is the operating voltage range for the AT28BV64B-20JI? A: The AT28BV64B-20JI operates within a voltage range of 2.7V to 5.5V.
Q: What is the maximum clock frequency supported by the AT28BV64B-20JI? A: The AT28BV64B-20JI supports a maximum clock frequency of 20 MHz.
Q: Can the AT28BV64B-20JI be used for code storage in microcontroller-based systems? A: Yes, the AT28BV64B-20JI can be used for code storage in microcontroller-based systems as it provides non-volatile memory storage.
Q: How many write cycles can the AT28BV64B-20JI endure? A: The AT28BV64B-20JI can endure a minimum of 10,000 write cycles.
Q: Does the AT28BV64B-20JI support byte-level read and write operations? A: Yes, the AT28BV64B-20JI supports byte-level read and write operations, allowing for efficient data manipulation.
Q: Is the AT28BV64B-20JI compatible with standard EEPROM interfaces? A: Yes, the AT28BV64B-20JI is compatible with standard EEPROM interfaces, making it easy to integrate into existing systems.
Q: Can the AT28BV64B-20JI be used in automotive applications? A: Yes, the AT28BV64B-20JI is designed to meet automotive industry requirements and can be used in automotive applications.
Q: Does the AT28BV64B-20JI support software and hardware write protection? A: Yes, the AT28BV64B-20JI supports both software and hardware write protection mechanisms to prevent accidental data modification.
Q: What is the temperature range within which the AT28BV64B-20JI can operate? A: The AT28BV64B-20JI can operate within a temperature range of -40°C to +85°C, making it suitable for various environments.
Please note that these answers are general and may vary based on specific implementation details and datasheet specifications.