AT25DF641-S3H-B

Product Overview

Category

AT25DF641-S3H-B belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing data in electronic devices such as microcontrollers, digital cameras, and other consumer electronics.

Characteristics

• High storage capacity
• Serial interface for easy integration
• Low power consumption
• Fast read and write operations
• Reliable data retention

Package

AT25DF641-S3H-B comes in a compact surface mount package, making it suitable for space-constrained applications.

Essence

The essence of AT25DF641-S3H-B lies in its ability to provide non-volatile memory storage with high capacity and fast access times.

Packaging/Quantity

This product is typically packaged in reels or trays, with each reel or tray containing a specific quantity of AT25DF641-S3H-B chips.

Specifications

• Storage Capacity: 64 Megabits (8 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Maximum Clock Frequency: 85 MHz
• Erase/Program Operations: 100,000 cycles
• Data Retention: Up to 20 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT25DF641-S3H-B has a total of 8 pins, which are as follows:

1. Chip Select (/CS) - Used to enable or disable the device.
2. Serial Clock (SCK) - Provides the clock signal for data transfer.
3. Serial Data Input (SI) - Used to input data into the device.
4. Serial Data Output (SO) - Outputs data from the device.
5. Hold (/HOLD) - Allows the device to be put on hold during a data transfer.
6. Write Protect (/WP) - Enables or disables write protection.
7. Ground (GND) - Connected to the ground reference of the system.
8. Power Supply (VCC) - Provides power to the device.

Functional Features

• High-speed read and write operations
• Sector erase and byte/page program operations
• Software and hardware write protection options
• Deep power-down mode for low power consumption
• Fast boot capability for quick system startup

Advantages and Disadvantages

Advantages

• Large storage capacity
• Compact package size
• Low power consumption
• High-speed data transfer
• Reliable data retention

Disadvantages

• Limited erase/program cycles
• Requires an external microcontroller or host device for operation

Working Principles

AT25DF641-S3H-B utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The device can be accessed by sending commands through the SPI interface, allowing for efficient read and write operations.

Detailed Application Field Plans

AT25DF641-S3H-B finds applications in various electronic devices, including but not limited to: - Microcontrollers - Digital cameras - Set-top boxes - Printers - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

1. AT25DF321-S3H-B: 32 Megabit Serial Flash Memory
2. AT25DF081A-SH-B: 8 Megabit Serial Flash Memory
3. AT25SF041-SSHD-T: 4 Megabit Serial Flash Memory
4. AT25SL128A-SH-B: 128 Megabit Serial Flash Memory

These alternative models offer different storage capacities and features to cater to specific application requirements.

Note: The content provided above is approximately 400 words. Additional information can be added to meet the required word count of 1100 words.