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AT45DB081D-SU

Name: AT45DB081D-SU
Rating: 4.7 (12 reviews)

IC FLASH 8MBIT SPI 66MHZ 8SOIC

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Mfr。パート #AT45DB081D-SU
パッケージ SOIC-8
データシート
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仕様

Package	Tube
ProductStatus	Obsolete
MemoryType	Non-Volatile
MemoryFormat	FLASH
Technology	FLASH
MemorySize	8Mb (264 Bytes x 4096 pages)
MemoryInterface	SPI
ClockFrequency	66 MHz
WriteCycleTime-WordPage	4ms
Voltage-Supply	2.7V ~ 3.6V
OperatingTemperature	-40°C ~ 85°C (TC)
MountingType	Surface Mount
Package/Case	8-SOIC (0.209, 5.30mm Width)

概要

Description

The AT45DB081D-SU is a serial flash memory chip manufactured by Microchip Technology, designed for efficient storage in embedded systems. It features 8 megabits (1 megabyte) of memory and operates using the SPI (Serial Peripheral Interface) protocol, allowing for fast data transfer rates up to 66 MHz. This chip is suitable for applications requiring non-volatile storage, such as code storage, data logging, and configuration settings.
Key features include a page size of 256 bytes, fast write and erase times, and the capability to perform multiple memory operations simultaneously. It also has a low power consumption profile, making it ideal for battery-operated devices. The AT45DB081D-SU is available in various package options, including SOIC and DFN, facilitating integration into diverse electronic designs. Its robust performance and reliability make it a popular choice among engineers and developers working on a wide range of applications.

Features

The AT45DB081D-SU is a serial NOR flash memory chip developed by Microchip Technology. Key features include:
1. Capacity: 8 Mbit (1 MB) storage.
2. Interface: SPI (Serial Peripheral Interface) for easy integration.
3. Speed: High-speed programming and read operations with a clock frequency up to 66 MHz.
4. Endurance: Supports a minimum of 100,000 program/erase cycles per sector.
5. Data Retention: Retains data for over 20 years at 85°C.
6. Sector Architecture: Divided into 64 sectors of 16 Kbit, allowing for flexible data management.
7. Power Supply: Operates from 2.7V to 3.6V, making it suitable for battery-powered applications.
8. Low Power Consumption: Features a deep power-down mode to conserve energy.
9. Write Protection: Supports hardware and software write protection for enhanced data security.
This chip is ideal for applications requiring non-volatile storage, such as embedded systems, consumer electronics, and automotive applications.

Package

The AT45DB081D-SU is available in an 8-lead SOIC (Small Outline Integrated Circuit) package. This package type is designed for surface mounting and is commonly used in applications requiring compact size and reliable performance in memory storage devices.

Pinout

The AT45DB081D-SU is a serial flash memory chip with a total of 8 pins. The pin functions are as follows:
1. CS (Chip Select): Active low; enables the device.
2. SO (Serial Output): Data output pin for serial data.
3. SI (Serial Input): Data input pin for serial data.
4. SCK (Serial Clock): Clock input for synchronizing data transmission.
5. WP (Write Protect): Active low; protects the memory from write operations when activated.
6. RESET: Resets the device to its standby mode.
7. VCC: Supply voltage (typically 2.7V to 3.6V).
8. GND: Ground reference for the device.
This chip provides a density of 8 Mbits and supports various modes of operation, making it suitable for applications requiring non-volatile storage.

Manufacturer

The manufacturer of the AT45DB081D-SU is Microchip Technology Inc. Microchip is a leading provider of microcontroller and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, the company specializes in embedded control solutions, offering a wide range of products including microcontrollers, digital signal controllers, and memory products. Their offerings cater to various industries such as automotive, industrial, consumer electronics, and communications. Microchip is known for its commitment to innovation and quality, providing engineers with reliable and cost-effective solutions to meet their design needs.

Application

The AT45DB081D-SU is a serial flash memory chip used in various applications, including embedded systems, consumer electronics, automotive electronics, and industrial automation. It is suitable for code and data storage, firmware updates, and device configuration. Its small size and fast read/write capabilities make it ideal for portable devices, smart appliances, and IoT applications.

Equivalent

The AT45DB081D-SU is an 8 Mbit serial flash memory chip. Equivalent products include the Microchip SST25VF080B, Winbond W25X80, and the Macronix MX25L0805. These alternatives offer similar specifications in terms of capacity, interface, and features suitable for embedded applications. Always check datasheets for specific compatibility and performance characteristics.