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AT45DB321E-SHF-B

Name: AT45DB321E-SHF-B
Rating: 4.7 (12 reviews)

IC FLASH 32MBIT SPI 85MHZ 8SOIC

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製造商。部分 #AT45DB321E-SHF-B
包 8-SOIC
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規格

Package	Tube
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	FLASH
Technology	FLASH
MemorySize	32Mb (528 Bytes x 8192 pages)
MemoryInterface	SPI
ClockFrequency	85 MHz
WriteCycleTime-WordPage	8µs, 4ms
Voltage-Supply	2.3V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C (TC)
MountingType	Surface Mount
Package/Case	8-SOIC (0.209, 5.30mm Width)

概述

Description

The AT45DB321E-SHF-B is a 32-megabit serial Flash memory chip produced by Microchip Technology. It features a dual SPI (Serial Peripheral Interface) that allows for high-speed data transfer, making it suitable for applications requiring fast read and write capabilities. This chip operates at a voltage range of 2.7V to 3.6V, ensuring compatibility with various low-power devices.
Key characteristics include:
- Memory Density: 32 Mbits (4 MB)
- Data Interface: Dual and Quad SPI, allowing for increased throughput.
- Programming Speed: Supports rapid page programming, typically 1 to 4 bytes per page.
- Erase Capability: Supports sector and block erase functions, enhancing flexibility in data management.
- Endurance: Rated for a high number of program/erase cycles, making it durable for repeated use.
Ideal for embedded systems, automotive applications, and consumer electronics, the AT45DB321E-SHF-B provides reliable and efficient data storage solutions.

Features

The AT45DB321E-SHF-B is a Serial Peripheral Interface (SPI) Flash memory chip from Microchip Technology, featuring the following key attributes:
1. Density: 32 Mbit (4 MB) of memory.
2. Architecture: Supports a page-based architecture for efficient data storage and retrieval.
3. Organization: Divided into 1024 pages of 256 bytes each.
4. Speed: Can operate at high speeds of up to 66 MHz.
5. Voltages: Operates at a voltage range of 2.7V to 3.6V, allowing for compatibility with various systems.
6. Data Retention: Retains data for up to 20 years.
7. Write Endurance: Capable of enduring up to 100,000 program/erase cycles per page.
8. Command Set: Supports multiple commands for reading, writing, and erasing data.
9. Dual I/O: Supports Dual I/O operation for faster data transfer rates.
10. Package: Available in a compact SOIC package.
This memory chip is suitable for a variety of applications, including embedded systems, consumer electronics, and automotive devices.

Package

The AT45DB321E-SHF-B is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) format. It is designed for surface mounting and is typically used in embedded memory applications.

Pinout

The AT45DB321E-SHF-B is a serial NAND Flash memory chip with a pin count of 32. It is designed for low-power applications and features a dual/Quad SPI interface for high-speed data transfer. The main functions of this memory chip include data storage, program/erase capabilities, and support for various memory operations such as read, write, and erase.
Key features include:
- Memory Size: 32 Mbit (4 MB)
- Interface: Dual/Quad SPI
- Supply Voltage: 2.7V to 3.6V
- Erase Block Size: 4 kB, 32 kB, or 64 kB
- Access Time: Fast read access times
The chip is commonly used in applications like embedded systems, consumer electronics, and industrial devices due to its efficiency and reliability.

Manufacturer

The manufacturer of the AT45DB321E-SHF-B is Microchip Technology Inc. Microchip is a publicly traded American company that specializes in embedded control and semiconductor solutions. Founded in 1989, it is known for designing and manufacturing microcontrollers, memory products, and analog semiconductors. The AT45DB321E-SHF-B is a serial flash memory device commonly used in a variety of applications, including consumer electronics, automotive, and industrial systems. Microchip serves a diverse range of markets, providing innovative products and technologies to enable complex system designs for customers worldwide.

Application

The AT45DB321E-SHF-B is a serial NOR flash memory suitable for various applications, including consumer electronics, automotive systems, industrial automation, and IoT devices. Its fast read speeds and high endurance make it ideal for data storage in firmware, configuration settings, and multimedia content. Common uses include smartphones, tablets, smart appliances, and embedded systems where reliable, non-volatile storage is essential.

Equivalent

The AT45DB321E-SHF-B chip is a 32 Mbit Serial Peripheral Interface (SPI) Flash memory. Equivalent products include:
1. Winbond W25Q32JV - 32 Mbit SPI Flash.
2. Micron MT25QL032 - 32 Mbit SPI NOR Flash.
3. Cypress S25FL032P - 32 Mbit SPI Flash.
Ensure to check specific features like voltage ranges, speed, and pin configurations for compatibility.