AT45DB321E-SHFHA-T

Product Overview

Category: Integrated Circuit (IC)
Use: Data Storage
Characteristics: Non-volatile, Serial Flash Memory
Package: 8-pin SOIC (Small Outline Integrated Circuit)
Essence: High-density, low-power, and high-speed data storage solution
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Memory Size: 32 Megabits (4 Megabytes)
Interface: Serial Peripheral Interface (SPI)
Operating Voltage: 2.7V to 3.6V
Maximum Clock Frequency: 85 MHz
Erase/Program Time: 5 ms (typical)
Data Retention: 20 years (typical)

Pin Configuration

The AT45DB321E-SHFHA-T has the following pin configuration:

VCC - Power Supply
SI - Serial Input
SO - Serial Output
WP - Write Protect
HOLD - Hold Input
SCK - Serial Clock
CS - Chip Select
GND - Ground

Functional Features

Sector Architecture: The memory is divided into multiple sectors for efficient data management.
Page Program: Allows individual bytes or pages to be programmed without erasing the entire memory.
Continuous Read Mode: Enables fast sequential reading of data.
Deep Power-down Mode: Reduces power consumption when the device is not in use.
Software Protection: Provides write protection for specific sectors or the entire memory.

Advantages and Disadvantages

Advantages: - High-density storage capacity - Low power consumption - Fast data transfer rate - Flexible programming options - Reliable data retention

Disadvantages: - Limited erase/write cycles - Relatively small package size

Working Principles

The AT45DB321E-SHFHA-T is based on the Serial Peripheral Interface (SPI) protocol. It uses a combination of floating gate and tunnel oxide technology to store data in non-volatile memory cells. The memory can be read, programmed, and erased using specific commands sent through the SPI interface.

Detailed Application Field Plans

The AT45DB321E-SHFHA-T is widely used in various applications, including: - Consumer Electronics: Digital cameras, portable media players, gaming consoles - Automotive Systems: Infotainment systems, navigation devices, engine control units - Industrial Control: Data loggers, measurement instruments, automation systems - Communication Devices: Routers, modems, set-top boxes

Alternative Models

AT45DB321D-SU: Same capacity and features, different package (8-pin SOIC)
AT45DB321D-MU: Same capacity and features, different package (8-pad Ultra Thin MiniMap)
AT45DB321D-CNU: Same capacity and features, different package (8-pad WLCSP)

These alternative models offer similar functionality and compatibility with the AT45DB321E-SHFHA-T.

Word count: 324 words

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan AT45DB321E-SHFHA-T dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of AT45DB321E-SHFHA-T in technical solutions:

Q: What is the AT45DB321E-SHFHA-T? A: The AT45DB321E-SHFHA-T is a serial flash memory device manufactured by Adesto Technologies. It has a capacity of 32 megabits (4 megabytes) and operates on a serial interface.
Q: What are the key features of the AT45DB321E-SHFHA-T? A: Some key features include high-speed data transfer, low power consumption, sector-based architecture, and compatibility with SPI (Serial Peripheral Interface) communication protocol.
Q: How can the AT45DB321E-SHFHA-T be used in technical solutions? A: It can be used for data storage in various applications such as embedded systems, IoT devices, consumer electronics, industrial automation, and automotive systems.
Q: What is the maximum data transfer rate of the AT45DB321E-SHFHA-T? A: The maximum data transfer rate is typically around 66 megabits per second (Mbps).
Q: Does the AT45DB321E-SHFHA-T support multiple read and write operations simultaneously? A: No, it does not support simultaneous read and write operations. It operates in a single-operation mode.
Q: Can the AT45DB321E-SHFHA-T be used as a boot device? A: Yes, it can be used as a boot device in certain applications where firmware or program code needs to be stored and executed during system startup.
Q: What is the typical power supply voltage range for the AT45DB321E-SHFHA-T? A: The typical power supply voltage range is between 2.7V and 3.6V.
Q: Does the AT45DB321E-SHFHA-T have built-in security features? A: Yes, it provides hardware-based protection mechanisms such as software write protection, lockable sectors, and password protection to secure data stored in the memory.
Q: Can the AT45DB321E-SHFHA-T operate in harsh environmental conditions? A: Yes, it has a wide operating temperature range of -40°C to +85°C, making it suitable for use in rugged environments.
Q: Is the AT45DB321E-SHFHA-T a lead-free and RoHS-compliant device? A: Yes, it is a lead-free device and complies with the Restriction of Hazardous Substances (RoHS) directive.

Please note that these answers are general and may vary depending on the specific application and requirements.