AT45DQ161-SSHD2B-T

Product Overview

Category

AT45DQ161-SSHD2B-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-SSHD2B-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-SSHD2B-T is designed to minimize power consumption during both active and standby modes.

Package

The AT45DQ161-SSHD2B-T is available in a small outline package (SOIC) form factor.

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

The AT45DQ161-SSHD2B-T is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory capacity: 16 megabits (2 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Supply voltage: 2.7V to 3.6V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 20 years
• Programming time: Typically 5ms per page

Detailed Pin Configuration

The AT45DQ161-SSHD2B-T features a total of 8 pins, which are assigned specific functions as follows:

1. Chip Select (CS): This pin is used to enable or disable the device.
2. Serial Clock (SCK): The SCK pin provides the clock signal for data transfer.
3. Serial Data Input (SI): This pin receives data from the host device during write operations.
4. Serial Data Output (SO): The SO pin transmits data from the memory device to the host device during read operations.
5. Write Protect (WP): When this pin is set to a logic low, it protects the memory from being written to.
6. Hold (HOLD): The HOLD pin allows the host device to pause ongoing data transfers.
7. Ground (GND): This pin is connected to the ground reference of the system.
8. Power Supply (VCC): The VCC pin is connected to the power supply voltage.

Functional Features

• Page program and erase: The AT45DQ161-SSHD2B-T supports both page programming and erasing, allowing for efficient data storage and management.
• Sector protection: It offers sector protection features to prevent accidental modification or erasure of critical data.
• High-speed data transfer: With its serial peripheral interface, this device enables fast and reliable data transfer between the memory and the host device.
• Low power consumption: The AT45DQ161-SSHD2B-T is designed to minimize power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• High storage capacity
• Non-volatile memory ensures data retention even without power
• Compact form factor
• Efficient data transfer with SPI interface
• Sector protection for data security

Disadvantages

• Limited write endurance compared to other memory technologies
• Relatively higher cost per bit compared to some alternative memory solutions

Working Principles

The AT45DQ161-SSHD2B-T utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge storage elements to retain information even when power is disconnected. The memory cells are organized into sectors, allowing for efficient read, write, and erase operations.

Detailed Application Field Plans

The AT45DQ161-SSHD2B-T finds applications in various fields, including: 1. Microcontrollers: Used for program storage and data logging. 2. Embedded systems: Provides non-volatile memory for firmware and configuration data. 3. Consumer electronics: Enables storage of user settings, preferences, and media files. 4. Industrial automation: Stores critical data such as sensor readings and system parameters.

Detailed and Complete Alternative Models

1. AT25SF041-SSHD2B-T: A similar flash memory device with a lower capacity of 4 megabits (512 kilobytes).
2. AT45DB321E-SHD2B-T: Offers a higher capacity of 32 megabits (4 megabytes) with similar features and characteristics.
3. MX25L12835FZNI-10G: An alternative flash memory device from a different manufacturer, offering