AT45DQ161-SHFHB-T

Product Overview

Category

The AT45DQ161-SHFHB-T belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices, such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The AT45DQ161-SHFHB-T retains stored data even when power is disconnected.
• High capacity: This device offers a storage capacity of 16 megabits (2 megabytes).
• Serial interface: It utilizes a serial peripheral interface (SPI) for communication with the host device.
• Low power consumption: The AT45DQ161-SHFHB-T operates at low power levels, making it suitable for battery-powered applications.

Package

The AT45DQ161-SHFHB-T is available in a compact surface-mount package.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic devices.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Memory Type: Non-volatile
• Capacity: 16 megabits (2 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Write Endurance: 100,000 cycles

Detailed Pin Configuration

The AT45DQ161-SHFHB-T has a total of 8 pins, which are assigned specific functions:

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 from the host device.
4. Serial Data Output (SO): Outputs data from the memory device.
5. Write Protect (/WP): Enables or disables write protection.
6. Hold (/HOLD): Pauses ongoing operations without resetting the device.
7. VCC: Power supply voltage.
8. Ground (GND): Common ground reference.

Functional Features

• Fast Read and Write Operations: The AT45DQ161-SHFHB-T offers high-speed read and write operations, allowing for efficient data access.
• Sector Locking: This feature enables individual sectors of the memory to be locked, preventing accidental modification or erasure.
• Continuous Read Mode: The device supports continuous read mode, allowing for sequential data retrieval without the need for repeated commands.
• Software Protection: The AT45DQ161-SHFHB-T provides software-based protection mechanisms to prevent unauthorized access to stored data.

Advantages and Disadvantages

Advantages

• High storage capacity
• Non-volatile memory ensures data retention even during power loss
• Low power consumption
• Compact package size
• Fast read and write operations

Disadvantages

• Limited endurance (100,000 write cycles)
• Relatively higher cost compared to other memory options

Working Principles

The AT45DQ161-SHFHB-T utilizes flash memory technology to store and retrieve data. It employs a serial peripheral interface (SPI) for communication with the host device. When data is written, it is stored in non-volatile memory cells. During read operations, the stored data is retrieved and transferred to the host device via the SPI interface.

Detailed Application Field Plans

The AT45DQ161-SHFHB-T finds applications in various fields, including: 1. Microcontrollers and embedded systems 2. Consumer electronics (e.g., digital cameras, portable media players) 3. Automotive electronics (e.g., infotainment systems, instrument clusters) 4. Industrial automation and control systems 5. Medical devices

Detailed and Complete Alternative Models

1. AT45DB161E-SHFHB-T: Similar to the AT45DQ161-SHFHB-T, this model offers a capacity of 16 megabits and utilizes the same SPI interface.
2. AT25SF161-SHFHB-T: This alternative model provides a lower capacity of 16 megabits but offers faster read and write speeds.
3. AT24C256C-SSHL-T: A different type of non-volatile memory device, this model offers a capacity of 256 kilobits and uses an I2C interface.

These alternative models can be considered based on specific application requirements and constraints.

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