AT45DQ161-SSHF-T

Product Overview

Category

AT45DQ161-SSHF-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-SSHF-T retains stored data even when power is disconnected.
• High capacity: This device has 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-SSHF-T is designed to operate with minimal power consumption.
• Fast access time: It offers fast read and write operations, ensuring efficient data transfer.

Package

The AT45DQ161-SSHF-T is available in a small form factor package, making it suitable for space-constrained applications. It is commonly found in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the AT45DQ161-SSHF-T lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic devices.

Packaging/Quantity

This product is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Storage 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-SSHF-T features an 8-pin SOIC package with the following pin configuration:

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

Functional Features

• High-speed data transfer: The AT45DQ161-SSHF-T supports fast serial communication, enabling quick read and write operations.
• Sector-based architecture: It organizes memory into multiple sectors, allowing for efficient data management and flexibility in erasing and writing data.
• Hardware and software protection: This device offers various protection mechanisms, including write protection and hold functions, to prevent accidental data modification.
• Continuous read mode: It supports continuous reading of data, eliminating the need for repeated command sequences.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for accommodating large amounts of data.
• Compact package size suitable for space-constrained applications.
• Low power consumption prolongs battery life in portable devices.
• Fast access time enables efficient data transfer.

Disadvantages

• Limited endurance with a maximum of 100,000 write cycles.
• Relatively higher cost compared to other types of memory.

Working Principles

The AT45DQ161-SSHF-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 memory cells using electrical charges. During read operations, the stored charges are detected and converted back into digital data.

Detailed Application Field Plans

The AT45DQ161-SSHF-T finds application in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Consumer electronics - Industrial automation systems - Automotive electronics

Detailed and Complete Alternative Models

• AT45DQ161-SU: Similar to AT45DQ161-SSHF-T but with a different package (8-pin SOIC).
• AT45DQ321-SSHF-T: Higher capacity variant with 32 megabits (4 megabytes) of storage.
• AT45DB161E-SSHF-T: Another alternative with similar specifications and features.

These alternative models offer similar functionality and can be considered as replacements or alternatives to the AT45DQ161-SSHF-T.

In conclusion, the AT45DQ161-SSHF-T is a high-capacity non-volatile memory device designed for data storage in various electronic applications. Its compact size, fast access time, and low power consumption make it suitable for a wide range of devices. While it has limitations in terms of endurance and cost, there are alternative models available to suit specific requirements.