AT25SF641-MHB-T

Product Overview

Category

AT25SF641-MHB-T belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile memory: Retains data even when power is turned off.
• High storage capacity: 64 megabits (8 megabytes).
• Serial interface: Allows for easy integration with microcontrollers and other devices.
• Low power consumption: Ideal for battery-powered applications.
• Fast read and write operations: Enables quick access to stored data.
• Wide operating voltage range: Can operate from 1.65V to 3.6V.
• Extended temperature range: Suitable for use in various environmental conditions.

Package

AT25SF641-MHB-T is available in a compact 8-pin SOIC package.

Essence

The essence of AT25SF641-MHB-T lies in its ability to provide reliable and high-capacity non-volatile storage in a small form factor.

Packaging/Quantity

It is typically packaged in reels, with each reel containing a specific quantity of AT25SF641-MHB-T chips.

Specifications

• Memory Size: 64 megabits (8 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 1.65V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Write Endurance: 100,000 cycles
• Package Type: 8-pin Small Outline Integrated Circuit (SOIC)

Detailed Pin Configuration

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI/MOSI)
4. Serial Data Output (SO/MISO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. Ground (GND)
8. Power Supply (VCC)

Functional Features

• High-speed read and write operations
• Sector erase and program operations
• Individual block protection
• Software and hardware write protection options
• Deep power-down mode for ultra-low power consumption
• Fast program and erase times
• Automatic page write buffer
• Flexible sector architecture

Advantages

• Large storage capacity for data-intensive applications
• Low power consumption extends battery life
• Compact package size allows for easy integration into various devices
• Wide operating voltage range enables compatibility with different systems
• High-speed read and write operations enhance overall performance
• Extended temperature range ensures reliability in harsh environments

Disadvantages

• Limited to serial interface, which may not be suitable for certain high-speed applications
• Relatively small memory size compared to other flash memory options
• Write endurance limitations may affect the lifespan of the device in heavy write-intensive scenarios

Working Principles

AT25SF641-MHB-T utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host microcontroller or system. It stores data in non-volatile memory cells that retain information even when power is disconnected. The SPI interface allows for fast and efficient transfer of data between the device and the host.

Detailed Application Field Plans

AT25SF641-MHB-T finds application in various fields, including but not limited to: - Consumer electronics: Smartphones, tablets, digital cameras - Automotive: Infotainment systems, instrument clusters - Industrial automation: Programmable logic controllers, human-machine interfaces - Internet of Things (IoT): Connected devices, sensors, gateways - Medical devices: Patient monitoring systems, diagnostic equipment

Detailed and Complete Alternative Models

1. AT25SF321-MHB-T: 32 megabits (4 megabytes) Serial Flash Memory
2. AT25SF128A-MHB-T: 128 megabits (16 megabytes) Serial Flash Memory
3. AT25SF256-MHB-T: 256 megabits (32 megabytes) Serial Flash Memory

These alternative models offer different storage capacities to suit specific application requirements.

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