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AT45DB021E-SHN-T

Name: AT45DB021E-SHN-T
Rating: 4.7 (12 reviews)

IC FLASH 2MBIT SPI 70MHZ 8SOIC

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包 SOIC-8
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	FLASH
Technology	FLASH
MemorySize	2Mb (264 Bytes x 1024 pages)
MemoryInterface	SPI
ClockFrequency	70 MHz
WriteCycleTime-WordPage	8µs, 3ms
Voltage-Supply	1.65V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C (TC)
MountingType	Surface Mount
Package/Case	8-SOIC (0.209, 5.30mm Width)

概述

Description

The AT45DB021E-SHN-T is a 2-Mbit (256KB) serial Flash memory device manufactured by Microchip Technology. It utilizes the SPI (Serial Peripheral Interface) protocol for communication, making it compatible with a wide range of microcontrollers and processors. This memory can operate at a voltage range of 2.7V to 3.6V and offers high-speed data access, with read speeds of up to 85 MHz.
Key features include a page size of 256 bytes and a uniform sector architecture, allowing for flexible data storage and efficient programming. The device supports various modes of operation such as fast-read and page programming, which enhances performance for applications requiring rapid data retrieval or updates.
The AT45DB021E-SHN-T is ideal for embedded applications, such as firmware storage, data logging, and configuration settings in consumer electronics, automotive, and industrial devices. Its compact size and low power consumption make it suitable for space-constrained designs.

Features

The AT45DB021E-SHN-T is a serial NOR flash memory from Microchip Technology. Key features include:
1. Memory Density: 2 Megabits (256 Kbytes) of storage.
2. Interface: Supports SPI (Serial Peripheral Interface) with a high-speed clock rate.
3. Read Speed: Fast random access time and high-speed read operations.
4. Write and Erase: Supports page programming (up to 256 bytes) and sector erase (up to 64 Kbytes).
5. Endurance: Typically provides around 100,000 write/erase cycles per sector.
6. Data Retention: Offers data retention of 20 years.
7. Low Power Consumption: Designed for low power usage in both active and standby modes.
8. Package: Available in compact packages, including SOIC and DFN, making it suitable for space-constrained applications.
9. Security: Features a unique ID and protection mechanisms for data security.
This flash memory is ideal for applications such as code storage, data logging, and system firmware updates.

Package

The AT45DB021E-SHN-T is packaged in a SOIC-8 (Small Outline Integrated Circuit) form factor. This package type features a compact design suitable for surface mounting on PCBs, facilitating easy integration into various electronic applications.

Pinout

The AT45DB021E-SHN-T is a serial data flash memory chip with a pin count of 8. It features an SPI (Serial Peripheral Interface) for communication. The main functions of its pins include:
1. CS (Chip Select): Activates the device.
2. SI (Serial Input): Receives data from the host.
3. SO (Serial Output): Sends data to the host.
4. SCK (Serial Clock): Synchronizes data transmission.
5. VCC: Power supply.
6. GND: Ground.
7. WP (Write Protect): Prevents accidental write operations.
8. HOLD: Pauses operations without resetting the device.
This memory chip is commonly used for data storage in embedded systems, offering features like high-speed operation and low power consumption.

Manufacturer

The AT45DB021E-SHN-T is manufactured by Microchip Technology Inc., a leading company in the semiconductor industry. Microchip specializes in the design and production of microcontrollers, memory chips, and various integrated circuits used in embedded systems and electronic applications. The AT45DB021E-SHN-T is a serial flash memory device, which is commonly used for data storage in a wide range of applications, including consumer electronics, automotive systems, and industrial equipment. Microchip has a strong reputation for innovation and quality, serving a diverse global customer base with a focus on providing comprehensive solutions for embedded design.

Application

The AT45DB021E-SHN-T is a serial NOR flash memory chip used in various applications such as embedded systems, consumer electronics, automotive electronics, and industrial devices. Its features make it suitable for firmware storage, data logging, configuration settings, and firmware updates in devices like IoT sensors, medical devices, and portable electronics. The chip's low power consumption and high endurance also enhance its utility in battery-operated applications.

Equivalent

Equivalent products to the AT45DB021E-SHN-T chip include the Winbond W25X20, Micron MT25QL020A, and the Spansion S25FL020A. These alternatives offer similar functionalities such as serial NAND flash memory with comparable capacities and performance characteristics. Always check the specific electrical and physical specifications to ensure compatibility with your application.