AT45DQ161-SSHF2B-T

Product Overview

Category

AT45DQ161-SSHF2B-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-SSHF2B-T retains stored data even when power is removed.
• 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-SSHF2B-T operates at low power levels, making it suitable for battery-powered applications.
• Fast access time: With a maximum access time of 85 nanoseconds, this device ensures quick retrieval of stored data.

Package

The AT45DQ161-SSHF2B-T is available in a small form factor package, which facilitates easy integration into compact electronic designs.

Essence

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

Packaging/Quantity

The AT45DQ161-SSHF2B-T is typically packaged in tape and reel format, with a quantity of 250 units per reel.

Specifications

• Memory Capacity: 16 megabits (2 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years
• Maximum Clock Frequency: 66 MHz
• Package Type: 8-lead SOIC

Detailed Pin Configuration

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

Functional Features

• Sector-based architecture: The AT45DQ161-SSHF2B-T is divided into multiple sectors, allowing for efficient data management and flexibility in erasing and writing operations.
• Dual Data Rate (DDR) support: This device supports DDR mode, enabling faster data transfer rates.
• Hardware and software protection: It offers various protection mechanisms to prevent unauthorized access or accidental modification of stored data.
• Continuous read mode: The AT45DQ161-SSHF2B-T allows continuous reading of data without the need for repeated command sequences.

Advantages and Disadvantages

Advantages

• High storage capacity
• Non-volatile memory ensures data retention even during power loss
• Compact package size for space-constrained designs
• Low power consumption
• Fast access time for quick data retrieval

Disadvantages

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

Working Principles

The AT45DQ161-SSHF2B-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 removed. The serial peripheral interface (SPI) enables communication between the host device and the memory chip, facilitating data read, write, and erase operations.

Detailed Application Field Plans

The AT45DQ161-SSHF2B-T finds applications in various fields, including: 1. Microcontrollers and embedded systems 2. Industrial automation 3. Automotive electronics 4. Consumer electronics 5. Medical devices 6. Internet of Things (IoT) devices

Detailed and Complete Alternative Models

1. AT45DB161E-SSHF2B-T: Similar to the AT45DQ161-SSHF2B-T, this model offers 16 megabits of storage capacity and utilizes the same SPI interface.
2. AT25SF161-SHF-T: This alternative model provides a smaller storage capacity of 16 megabits but offers faster access times and lower power consumption.
3. MX25L1606E-M2I-12G: With a capacity of 16 megabits, this alternative model features a different interface (Quad SPI) and offers higher write endurance.

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

In conclusion, the AT45DQ161-SSHF2B-T is a high-capacity non-volatile memory device that offers reliable data storage for various electronic applications. Its compact size, low power consumption, and fast access time make it suitable for a wide range of industries. However, designers should consider the limited write endurance and cost per bit when selecting this product