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AT45DB641E-MHN2B-T

Name: AT45DB641E-MHN2B-T
Rating: 4.7 (12 reviews)

IC FLASH 64MBIT SPI 85MHZ 8UDFN

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包 UDFN-8
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	FLASH
Technology	FLASH
MemorySize	64Mb (256 Bytes x 32K pages)
MemoryInterface	SPI
ClockFrequency	85 MHz
WriteCycleTime-WordPage	8µs, 5ms
Voltage-Supply	1.7V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C (TC)
MountingType	Surface Mount
Package/Case	8-UDFN Exposed Pad

概述

Description

The AT45DB641E-MHN2B-T is a 64-Mbit serial Flash memory chip from Atmel (now part of Microchip Technology). It features a Dual/Quad SPI interface, allowing for high-speed data transfer, making it suitable for a variety of applications such as embedded systems, consumer electronics, and automotive devices. The chip operates on a voltage range of 2.7V to 3.6V and offers a fast read speed of up to 85 MB/s.
Key features include:
- 64 Mbit (8 MB) capacity
- Sector-based architecture with configurable sector sizes
- Fast page programming and erase times
- High endurance, typically rated for 100,000 program/erase cycles
- Power-efficient operation, ideal for battery-powered devices
The AT45DB641E supports various operating modes, including standard SPI and dual/quad I/O, enhancing flexibility in system design. Its compact form factor and robust performance make it a popular choice for applications requiring reliable, high-density non-volatile storage.

Features

The AT45DB641E-MHN2B-T is a serial Flash memory device from Microchip Technology, featuring a 64-megabit (8 MB) storage capacity. Key features include:
1. Interface: Utilizes a Serial Peripheral Interface (SPI) for high-speed data access and programming.
2. Speed: Offers fast read speeds up to 85 MHz and allows for 25 MHz in Dual I/O mode, enhancing performance.
3. Block Architecture: Comprises multiple uniform erasable sectors for efficient memory management, including 32 programmable sectors of 64 KB each.
4. Data Retention: Ensures data retention of over 20 years, making it reliable for long-term applications.
5. Endurance: Supports a minimum of 100,000 program/erase cycles per sector.
6. Low Power Consumption: Features low power dissipation in both active and standby modes, suitable for battery-operated devices.
7. Operating Voltage: Operates within a voltage range of 2.7V to 3.6V.
This device is ideal for applications such as code storage, data logging, and firmware updates in various electronic systems.

Package

The AT45DB641E-MHN2B-T is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) format. This type of package is designed for surface-mount technology, allowing for efficient PCB space utilization and reliable electrical connections.

Pinout

The AT45DB641E-MHN2B-T is a serial NOR Flash memory chip from Microchip Technology. It features a pin count of 16 pins.
The primary function of this device is to provide high-density non-volatile memory storage, with a capacity of 64 Mbit (8 MB). It is designed for use in applications such as code storage, data logging, and other embedded systems where efficient memory management is crucial. The chip supports a SPI (Serial Peripheral Interface) for communication, allowing for fast data transfer rates and ease of integration into various systems.
Key features include a memory organization of 4K pages, each with 256 bytes, and capabilities for fast read and write operations, including page programming and sector erase. The AT45DB641E also includes memory protection features to prevent accidental data modification.

Manufacturer

The AT45DB641E-MHN2B-T is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller and analog semiconductors. Founded in 1989, the company specializes in embedded control solutions and offers a wide range of products, including microcontrollers, memory solutions, and various integrated circuits. Microchip serves diverse markets, including automotive, industrial, consumer, and communications, providing customers with reliable and innovative technology for their applications. The AT45DB641E-MHN2B-T specifically is a serial Flash memory device designed for storing data, often used in applications requiring high density and low power consumption.

Application

The AT45DB641E-MHN2B-T is a serial NOR flash memory device commonly used in embedded systems for applications such as data storage, firmware updates, code execution, and configuration settings. Its features make it suitable for consumer electronics, automotive applications, industrial control systems, and IoT devices, where reliable non-volatile storage is essential.

Equivalent

The AT45DB641E-MHN2B-T chip is a serial NOR Flash memory. Equivalent products include the Winbond W25Q64FV, Micron MT25QL640, and Cypress S25FL064L. These alternatives offer similar specifications such as storage capacity, voltage range, and SPI interface compatibility. Check specific datasheets for detailed features and compatibility before substitution.