AT45DB021E-SSHN-B

Introduction

The AT45DB021E-SSHN-B is a flash memory product belonging to the category of Serial DataFlash. It is widely used in various electronic devices for data storage and retrieval. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the AT45DB021E-SSHN-B.

Basic Information Overview

Category: Flash Memory
Use: Data Storage and Retrieval
Characteristics: High-speed, Low-power, Non-volatile, Serial Interface
Package: 8-pin SOIC (Small Outline Integrated Circuit)
Essence: Reliable Data Storage Solution
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

Memory Size: 2 Megabits
Interface: SPI (Serial Peripheral Interface)
Operating Voltage: 2.7V - 3.6V
Operating Temperature: -40°C to +85°C
Data Retention: Up to 20 years
Page Size: 256 bytes
Erase/Program Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

SO: Serial Output
SI: Serial Input
SCK: Serial Clock
CS: Chip Select
WP: Write Protect
GND: Ground
NC: No Connection
VCC: Power Supply

Functional Features

High-Speed Read/Write: Enables fast data access and transfer
Low-Power Consumption: Ideal for battery-powered devices
Non-Volatile Storage: Retains data even when power is removed
SPI Interface: Simple and widely supported communication protocol

Advantages and Disadvantages

Advantages

Compact package size
Wide operating temperature range
High data retention
Low power consumption

Disadvantages

Limited erase/program cycle endurance
Requires external components for operation

Working Principles

The AT45DB021E-SSHN-B operates based on the principles of NAND flash memory technology. When data is written, it is stored in individual memory cells within the device. The SPI interface allows for seamless communication with the host microcontroller, enabling efficient data transfer and retrieval.

Detailed Application Field Plans

The AT45DB021E-SSHN-B is suitable for a wide range of applications including: - Consumer Electronics - Industrial Automation - Automotive Systems - Medical Devices - Communication Equipment

Detailed and Complete Alternative Models

Some alternative models to the AT45DB021E-SSHN-B include: - AT25DF021A - W25Q16JV - S25FL116K

In summary, the AT45DB021E-SSHN-B offers a reliable and high-performance flash memory solution for various electronic applications, despite its limitations in erase/program cycle endurance. Its compact package, low-power consumption, and non-volatile storage make it a popular choice for designers seeking efficient data storage solutions.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT45DB021E-SSHN-B v technických řešeních

What is the AT45DB021E-SSHN-B?
- The AT45DB021E-SSHN-B is a 2-megabit serial interface DataFlash® memory ideally suited for applications requiring non-volatile, re-writable memory.
What are the key features of AT45DB021E-SSHN-B?
- The key features include a flexible erase architecture, low-power consumption, high-speed clock frequency, and a wide voltage range.
How can AT45DB021E-SSHN-B be used in technical solutions?
- It can be used for data storage in various embedded systems, industrial automation, IoT devices, consumer electronics, and automotive applications.
What is the interface protocol supported by AT45DB021E-SSHN-B?
- It supports SPI (Serial Peripheral Interface) protocol for communication with microcontrollers and other digital devices.
What is the operating voltage range of AT45DB021E-SSHN-B?
- It operates within a wide voltage range of 2.7V to 3.6V, making it suitable for diverse applications.
Can AT45DB021E-SSHN-B withstand harsh environmental conditions?
- Yes, it is designed to operate reliably in industrial and automotive environments, with robustness against temperature variations and mechanical stress.
What is the typical data transfer rate of AT45DB021E-SSHN-B?
- It offers a fast maximum clock frequency of 66 MHz, enabling efficient data transfer in high-performance systems.
Does AT45DB021E-SSHN-B support security features?
- Yes, it provides hardware and software protection features to secure stored data from unauthorized access or tampering.
Is AT45DB021E-SSHN-B compatible with low-power applications?
- Absolutely, it has low-power standby and power-down modes, making it suitable for battery-powered and energy-efficient devices.
Are there any design considerations when integrating AT45DB021E-SSHN-B into a system?
- Designers should consider signal integrity, PCB layout, and proper decoupling to ensure reliable operation and optimal performance of the memory device.