AT25DF641A-SH-B

Product Overview

Category

AT25DF641A-SH-B belongs to the category of Serial Flash Memory.

Use

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

Characteristics

• High-speed data transfer
• Non-volatile memory
• Low power consumption
• Wide operating voltage range
• Small form factor

Package

AT25DF641A-SH-B is available in a compact surface mount package.

Essence

The essence of AT25DF641A-SH-B lies in its ability to provide reliable and efficient storage solutions for various electronic applications.

Packaging/Quantity

The product is typically packaged in reels or trays, with varying quantities depending on customer requirements.

Specifications

• Memory Size: 64 Megabits (8 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Data Transfer Rate: Up to 85 MHz
• Erase/Program Time: 4 ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VCC - Power supply
2. HOLD - Suspends serial communication
3. WP - Write protection control
4. SCK - Serial clock input
5. SI - Serial data input
6. SO - Serial data output
7. CS - Chip select
8. GND - Ground

Functional Features

• Sector erase and program operations
• Individual block lock/unlock capability
• Software and hardware write protection
• Continuous read mode
• Deep power-down mode for low-power operation
• Fast program and erase times

Advantages

• High-speed data transfer enables quick access to stored information.
• Non-volatile memory ensures data retention even when power is disconnected.
• Low power consumption prolongs battery life in portable devices.
• Wide operating voltage range allows compatibility with various systems.
• Small form factor facilitates integration into space-constrained designs.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to traditional storage solutions.
• Susceptible to data corruption in case of power surges or electromagnetic interference.

Working Principles

AT25DF641A-SH-B utilizes the Serial Peripheral Interface (SPI) for communication with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The SPI interface enables high-speed data transfer between the memory and the host, allowing for efficient read and write operations.

Detailed Application Field Plans

AT25DF641A-SH-B finds applications in various electronic devices, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical equipment - Communication devices

Detailed and Complete Alternative Models

1. AT25DF321A-SH-B: 32 Megabits Serial Flash Memory
2. AT25DF161A-SH-B: 16 Megabits Serial Flash Memory
3. AT25DF081A-SH-B: 8 Megabits Serial Flash Memory
4. AT25DF041A-SH-B: 4 Megabits Serial Flash Memory

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

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