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AT28C040-25LC
Product Overview
Category
AT28C040-25LC belongs to the category of non-volatile memory devices.
Use
It is primarily used for storing and retrieving digital information in electronic systems.
Characteristics
- Non-volatile: Retains data even when power is turned off.
- High capacity: The AT28C040-25LC has a storage capacity of 4 megabits (512 kilobytes).
- Low power consumption: Designed to operate with minimal power requirements.
- Fast access time: Offers quick read and write operations.
- Reliable: Provides high endurance and data retention capabilities.
Package
The AT28C040-25LC is available in a standard 32-pin DIP (Dual In-line Package) format.
Essence
This product is an EEPROM (Electrically Erasable Programmable Read-Only Memory) chip that allows for non-volatile data storage.
Packaging/Quantity
The AT28C040-25LC is typically packaged in tubes or trays, with quantities varying based on customer requirements.
Specifications
- Supply voltage: 5V
- Access time: 250 ns
- Operating temperature range: -40°C to +85°C
- Data retention: 10 years
- Endurance: 100,000 write cycles
Pin Configuration
The AT28C040-25LC features a 32-pin configuration. The pinout diagram is as follows:
+--+--+--+--+--+--+--+--+
|1 |2 |3 |4 |5 |6 |7 |8 |
+--+--+--+--+--+--+--+--+
|9 |10|11|12|13|14|15|16|
+--+--+--+--+--+--+--+--+
|17|18|19|20|21|22|23|24|
+--+--+--+--+--+--+--+--+
|25|26|27|28|29|30|31|32|
+--+--+--+--+--+--+--+--+
Functional Features
- Byte-wise programmable: Allows individual bytes to be programmed or erased.
- Hardware and software data protection: Provides mechanisms to prevent accidental modification of stored data.
- Fast write operation: Supports high-speed programming for efficient data storage.
Advantages
- Non-volatile nature ensures data retention even during power loss.
- High storage capacity allows for extensive data storage requirements.
- Low power consumption makes it suitable for battery-powered devices.
- Fast access time enables quick retrieval of stored information.
- Reliable endurance and data retention characteristics ensure long-term usability.
Disadvantages
- Limited write endurance compared to other memory technologies.
- Relatively higher cost per bit compared to some alternative memory solutions.
- Requires specific programming and erasing procedures, which may add complexity to the design process.
Working Principles
The AT28C040-25LC utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It employs a grid of floating-gate transistors that can store electrical charges, representing binary data. The stored data can be read, modified, or erased using specific voltage levels and control signals.
Detailed Application Field Plans
The AT28C040-25LC finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices
Alternative Models
Several alternative models with similar functionality are available in the market. Some notable alternatives to the AT28C040-25LC include: - AT28C010-12PC - AT28C256-15PU - AT28C64B-15SU - AT28C16-15PC
These alternatives offer different storage capacities, access times, and package options to cater to diverse application requirements.
In conclusion, the AT28C040-25LC is a non-volatile memory device that provides high-capacity data storage with fast access times. Its reliable performance and versatile applications make it a popular choice in various electronic systems.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT28C040-25LC en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of AT28C040-25LC in technical solutions:
Q: What is AT28C040-25LC? A: AT28C040-25LC is a specific model of EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology.
Q: What is the capacity of AT28C040-25LC? A: The AT28C040-25LC has a capacity of 4 megabits, which is equivalent to 512 kilobytes.
Q: What does the "25LC" in the part number signify? A: The "25LC" indicates that the chip operates at a speed of 250 nanoseconds.
Q: What are some common applications of AT28C040-25LC? A: AT28C040-25LC is commonly used for storing firmware, configuration data, or other non-volatile information in various electronic devices such as microcontrollers, embedded systems, and industrial equipment.
Q: How is AT28C040-25LC interfaced with a microcontroller or other devices? A: AT28C040-25LC typically uses a parallel interface, where address lines, data lines, and control signals are connected to the microcontroller or other devices.
Q: Can AT28C040-25LC be reprogrammed? A: Yes, AT28C040-25LC is electrically erasable and programmable, allowing it to be reprogrammed multiple times.
Q: What is the operating voltage range of AT28C040-25LC? A: AT28C040-25LC operates within a voltage range of 4.5V to 5.5V.
Q: Does AT28C040-25LC require any external components for operation? A: Yes, AT28C040-25LC typically requires decoupling capacitors and pull-up resistors for proper operation.
Q: What is the typical power consumption of AT28C040-25LC? A: The typical power consumption of AT28C040-25LC is around 30 mA during active read/write operations and less than 100 µA in standby mode.
Q: Is AT28C040-25LC compatible with other EEPROM chips? A: Yes, AT28C040-25LC follows industry-standard pinouts and protocols, making it compatible with other similar EEPROM chips from different manufacturers.
Please note that these answers are general and may vary depending on specific implementation details or datasheet specifications.