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AT45DB641E-MWHN-Y

Name: AT45DB641E-MWHN-Y
Rating: 4.7 (12 reviews)

IC FLASH 64MBIT SPI 85MHZ 8VDFN

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Mfr。パート #AT45DB641E-MWHN-Y
パッケージ VDFN-8
データシート
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仕様

Package	Tray
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	FLASH
Technology	FLASH
MemorySize	64Mb (264 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-VDFN Exposed Pad

概要

Description

The AT45DB641E-MWHN-Y is a serial NOR Flash memory chip from Microchip Technology, featuring a 64-Mbit (8 MB) capacity. It is designed for applications requiring high-performance data storage with low power consumption. Key features include a 3.3V supply voltage, SPI (Serial Peripheral Interface) support for easy integration, and fast read speeds of up to 85 MHz. The memory architecture allows for flexible page programming and sector erasing, making it suitable for embedded applications, such as in consumer electronics and industrial devices. The chip is available in a compact 8-pin SOIC package, enhancing space efficiency on PCBs. Additionally, it includes features like RapidS (Rapid Serial Interface) and offers endurance of up to 100,000 program/erase cycles, ensuring reliability over time. Its combination of speed, capacity, and low power usage makes the AT45DB641E-MWHN-Y an ideal choice for various applications, including firmware storage and data logging.

Features

The AT45DB641E-MWHN-Y is a serial NOR flash memory chip designed by Microchip Technology. Key features include:
- Capacity: 64 megabits (8 megabytes).
- Interface: SPI (Serial Peripheral Interface), supporting dual and quad I/O modes for faster data transfer.
- Read Speed: Up to 85 MHz, enabling quick data retrieval.
- Write/Erase: Supports page programming (up to 256 bytes at a time) and sector erase, with a typical page write time of 12 µs.
- Endurance: Typically rated for 100,000 program/erase cycles.
- Data Retention: 20 years at 85°C.
- Voltage Range: Operates at a supply voltage of 2.7V to 3.6V.
- Operating Temperature: Available for industrial temperatures ranging from -40°C to 85°C.
- Compatibility: Suitable for various applications, including consumer electronics, automotive systems, and industrial devices.
This chip is ideal for applications needing reliable storage with high-speed read/write capabilities.

Package

The AT45DB641E-MWHN-Y is packaged in a 8-pin SOIC (Small Outline Integrated Circuit) form factor. This package type is designed for surface mounting and is suitable for applications requiring compact memory solutions.

Pinout

The AT45DB641E-MWHN-Y is a 64-Mbit Serial DataFlash memory chip from Microchip Technology. It features a 16-pin SOIC (Small Outline Integrated Circuit) package.
The pin functions are as follows:
1. CS (Chip Select) - Active low; selects the chip for communication.
2. SI (Serial Input) - Data input pin for sending commands and data to the chip.
3. SO (Serial Output) - Data output pin for sending data from the chip.
4. SCK (Serial Clock) - Clock input for synchronizing data transfer.
5. GND - Ground reference.
6. VCC - Power supply voltage (typically 2.7V to 3.6V).
7. HOLD - Active low; used to pause serial communication.
8. RESET - Active low; resets the memory device.
The remaining pins may serve additional functions or be reserved for specific operations, depending on the configuration and overall device architecture.

Manufacturer

The manufacturer of the AT45DB641E-MWHN-Y is Adesto Technologies, which specializes in non-volatile memory solutions. Adesto is known for developing a range of advanced memory products, including serial NOR Flash memory and other embedded memory solutions tailored for various applications, such as consumer electronics, industrial devices, and the Internet of Things (IoT). The company focuses on innovative technology to support data retention, low power consumption, and high performance, catering to the evolving needs of modern electronic systems.

Application

The AT45DB641E-MWHN-Y is a serial Flash memory chip primarily used in applications such as data storage for embedded systems, mobile devices, consumer electronics, and automotive applications. It supports code and data storage, firmware updates, and configuration settings in devices like IoT products, industrial automation systems, and digital signage. Its high-density storage and fast access times make it suitable for applications requiring reliable and efficient non-volatile memory.

Equivalent

The AT45DB641E-MWHN-Y is a 64-Mbit serial NOR Flash memory chip. Equivalent products include the Winbond W25Q64JV and the Micron MT25QL064, both offering similar capacity and functionality. Ensure to check specifications such as voltage, interface, and temperature range for compatibility with your application.