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AT45DB641E-MWHN-T
Product Overview
Category
AT45DB641E-MWHN-T belongs to the category of flash memory devices.
Use
It is primarily used for data storage and retrieval in various electronic devices.
Characteristics
- Non-volatile memory
- High-density storage capacity
- Low power consumption
- Fast read and write operations
- Reliable and durable
Package
The AT45DB641E-MWHN-T is available in a small form factor package, making it suitable for space-constrained applications.
Essence
The essence of AT45DB641E-MWHN-T lies in its ability to provide reliable and high-density data storage in a compact package.
Packaging/Quantity
This product is typically packaged in reels or trays, with a quantity of 2500 units per reel.
Specifications
- Memory Size: 64 megabits (8 megabytes)
- Interface: Serial Peripheral Interface (SPI)
- Operating Voltage: 2.7V to 3.6V
- Operating Temperature Range: -40°C to +85°C
- Data Retention: Up to 20 years
- Endurance: 10,000 erase/write cycles
Detailed Pin Configuration
The AT45DB641E-MWHN-T has a total of 28 pins. The pin configuration is as follows:
- VCC: Power supply voltage
- GND: Ground
- SI: Serial input
- SO: Serial output
- WP: Write protect
- HOLD: Hold input
- RESET: Reset input
- SCK: Serial clock 9-16. A0-A7: Address inputs 17-24. IO0-IO7: Data input/output
- CS: Chip select
- RY/BY: Ready/busy output
- NC: No connection
- VCC: Power supply voltage
Functional Features
- Page Program Operation: Allows data to be written in page mode, enhancing write efficiency.
- Continuous Read Mode: Enables fast sequential reading of data from the memory.
- Sector Erase Operation: Facilitates erasing of large blocks of data for efficient memory management.
- Software Protection: Provides software-based protection against accidental erasure or modification of data.
- Deep Power-down Mode: Reduces power consumption when the device is not in use.
Advantages and Disadvantages
Advantages
- High storage capacity
- Fast read and write operations
- Low power consumption
- Compact form factor
- Reliable and durable
Disadvantages
- Limited endurance (10,000 erase/write cycles)
- Requires an external microcontroller for interfacing
Working Principles
The AT45DB641E-MWHN-T utilizes flash memory technology to store and retrieve data. It employs a Serial Peripheral Interface (SPI) for communication with an external microcontroller. The device operates by programming individual memory cells using electrical charges to represent binary data. Reading data involves sensing the charge levels in the memory cells. Erasing data is achieved by applying high voltages to reset the charge levels in the cells.
Detailed Application Field Plans
The AT45DB641E-MWHN-T finds applications in various electronic devices, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment
Detailed and Complete Alternative Models
- AT45DB321E-MWHN-T: 32 megabits (4 megabytes) flash memory with similar features.
- AT45DB1282D-MU: 128 megabits (16 megabytes) flash memory with extended temperature range.
- AT45DB161E-MU: 16 megabits (2 megabytes) flash memory with low power consumption.
These alternative models offer different storage capacities and additional features to cater to specific application requirements.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de AT45DB641E-MWHN-T em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of AT45DB641E-MWHN-T in technical solutions:
Q: What is the AT45DB641E-MWHN-T? A: The AT45DB641E-MWHN-T is a high-density flash memory chip manufactured by Adesto Technologies. It has a capacity of 64 megabits (8 megabytes) and is commonly used for data storage in various electronic devices.
Q: What are the key features of the AT45DB641E-MWHN-T? A: The key features of this flash memory chip include its SPI interface, page size of 528 bytes, sector erase architecture, low power consumption, and extended temperature range (-40°C to +85°C).
Q: What applications can the AT45DB641E-MWHN-T be used in? A: The AT45DB641E-MWHN-T can be used in a wide range of applications such as industrial automation, automotive systems, consumer electronics, medical devices, and IoT (Internet of Things) devices.
Q: How does the AT45DB641E-MWHN-T connect to a microcontroller or system? A: The AT45DB641E-MWHN-T uses a Serial Peripheral Interface (SPI) for communication with a microcontroller or system. It requires four signal lines: SCK (Serial Clock), SI (Serial Input), SO (Serial Output), and CS (Chip Select).
Q: What is the maximum data transfer rate of the AT45DB641E-MWHN-T? A: The maximum data transfer rate of this flash memory chip is 66 megabits per second (Mbps) when using the SPI interface.
Q: Can the AT45DB641E-MWHN-T be easily soldered onto a PCB? A: Yes, the AT45DB641E-MWHN-T is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package, which can be easily soldered onto a printed circuit board (PCB).
Q: Does the AT45DB641E-MWHN-T support wear-leveling algorithms? A: No, the AT45DB641E-MWHN-T does not have built-in wear-leveling algorithms. It is recommended to implement wear-leveling at the software level if required for the application.
Q: What is the typical endurance of the AT45DB641E-MWHN-T? A: The AT45DB641E-MWHN-T has a typical endurance of 100,000 program/erase cycles per sector. This means that each sector can be written and erased up to 100,000 times before it may start to degrade.
Q: Can the AT45DB641E-MWHN-T operate at low voltages? A: Yes, the AT45DB641E-MWHN-T supports a wide voltage range from 2.7V to 3.6V, making it suitable for low-power applications.
Q: Are there any development tools or software libraries available for the AT45DB641E-MWHN-T? A: Yes, Adesto Technologies provides various development tools, documentation, and software libraries to assist with the integration and programming of the AT45DB641E-MWHN-T into different technical solutions.