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AT28C256-15TA
Product Overview
Category
AT28C256-15TA 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 AT28C256-15TA has a storage capacity of 256 kilobits (32 kilobytes).
- Fast access time: It operates at a speed of 150 nanoseconds, allowing for quick data retrieval.
- Low power consumption: The device is designed to minimize power usage, making it suitable for battery-powered applications.
Package
The AT28C256-15TA is available in a standard 28-pin DIP (Dual Inline Package) format.
Essence
The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.
Packaging/Quantity
The AT28C256-15TA is typically packaged in tubes or trays, with each package containing a specified quantity of devices.
Specifications
- Organization: 32K x 8 bits
- Supply voltage: 4.5V to 5.5V
- Operating temperature range: -40°C to +85°C
- Data retention: 10 years minimum
- Endurance: 10,000 write cycles
Pin Configuration
The AT28C256-15TA features a total of 28 pins, each serving a specific function. The pin configuration is as follows:
- A0 - Address Input
- A1 - Address Input
- A2 - Address Input
- A3 - Address Input
- A4 - Address Input
- A5 - Address Input
- A6 - Address Input
- A7 - Address Input
- A8 - Address Input
- A9 - Address Input
- A10 - Address Input
- A11 - Address Input
- A12 - Address Input
- A13 - Address Input
- A14 - Address Input
- A15 - Address Input
- OE - Output Enable
- CE - Chip Enable
- WE - Write Enable
- I/O0 - Data Input/Output
- I/O1 - Data Input/Output
- I/O2 - Data Input/Output
- I/O3 - Data Input/Output
- I/O4 - Data Input/Output
- I/O5 - Data Input/Output
- I/O6 - Data Input/Output
- I/O7 - Data Input/Output
- Vcc - Power Supply
Functional Features
- Random access: The AT28C256-15TA allows for random access to any memory location, enabling efficient data retrieval.
- Byte-wise programming: It supports byte-level programming, allowing for flexible and efficient data storage.
- Hardware and software compatibility: The device is compatible with a wide range of electronic systems and can be easily integrated into existing designs.
- High reliability: The AT28C256-15TA offers high endurance and data retention capabilities, ensuring the integrity of stored information.
Advantages and Disadvantages
Advantages
- Non-volatile storage ensures data persistence even during power loss.
- High capacity allows for storing a significant amount of digital information.
- Fast access time enables quick retrieval of data.
- Low power consumption makes it suitable for battery-powered applications.
Disadvantages
- Limited write endurance compared to some other memory technologies.
- Relatively higher cost per bit compared to certain alternatives.
Working Principles
The AT28C256-15TA utilizes electrically erasable and programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors, which can be selectively programmed or erased using specific voltage levels. The stored charge determines the logic state of each memory cell, allowing for reliable data storage.
Detailed Application Field Plans
The AT28C256-15TA finds applications in various electronic systems, including but not limited to: - Microcontrollers - Embedded systems - Industrial control systems - Automotive electronics - Communication devices
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the AT28C256-15TA include: - AT28C256-12PC - AT28C256-20PI - AT28C256-25DM/883
These alternatives may have different specifications, package types, or operating characteristics, but they serve the same purpose of non-volatile memory storage.
In conclusion, the AT28C256-15TA is a non-volatile memory device with a high capacity, fast access time, and low power consumption. It offers reliable data storage for various electronic
技術ソリューションにおける AT28C256-15TA 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 AT28C256-15TA in technical solutions:
Q: What is the AT28C256-15TA? A: The AT28C256-15TA is a 32K x 8 low-power CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) chip.
Q: What is the operating voltage range for the AT28C256-15TA? A: The AT28C256-15TA operates within a voltage range of 4.5V to 5.5V.
Q: What is the maximum clock frequency supported by the AT28C256-15TA? A: The AT28C256-15TA supports a maximum clock frequency of 150 ns.
Q: How much data can be stored in the AT28C256-15TA? A: The AT28C256-15TA has a storage capacity of 256 kilobits, which is equivalent to 32 kilobytes.
Q: Can the AT28C256-15TA be reprogrammed multiple times? A: Yes, the AT28C256-15TA is electrically erasable and can be reprogrammed multiple times.
Q: What is the endurance rating of the AT28C256-15TA? A: The AT28C256-15TA has an endurance rating of at least 100,000 erase/write cycles.
Q: Does the AT28C256-15TA require any external power supply circuits? A: Yes, the AT28C256-15TA requires a VCC power supply and a VSS ground connection.
Q: Can the AT28C256-15TA operate in harsh environments? A: The AT28C256-15TA is not specifically designed for harsh environments and may require additional protection measures.
Q: What is the package type of the AT28C256-15TA? A: The AT28C256-15TA comes in a 28-pin DIP (Dual Inline Package) or a 32-lead TSOP (Thin Small Outline Package).
Q: Are there any specific timing requirements for programming the AT28C256-15TA? A: Yes, the AT28C256-15TA has specific timing requirements for programming, erasing, and reading operations. These can be found in the datasheet provided by the manufacturer.
Please note that these answers are general and it's always recommended to refer to the official documentation and datasheet for accurate and up-to-date information about the AT28C256-15TA.