AT45DQ161-SHF2B-T

Product Overview

Category

AT45DQ161-SHF2B-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-SHF2B-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-SHF2B-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 memory device provides quick data retrieval.

Package and Quantity

The AT45DQ161-SHF2B-T is available in a small form factor package, specifically an 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing a quantity of 2500 units.

Specifications

• Memory Type: Non-volatile Flash
• Capacity: 16 Megabits (2 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Supply Voltage: 2.7V - 3.6V
• Access Time: 85 ns (maximum)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AT45DQ161-SHF2B-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. Ground (GND)
7. Power Supply (VCC)
8. Reset (/RESET)

Functional Features

• Data Storage: The AT45DQ161-SHF2B-T provides reliable and non-volatile storage for various types of data.
• Serial Interface: It utilizes the SPI protocol for easy integration with host devices.
• Sector Architecture: The memory is divided into multiple sectors, allowing for efficient data organization and management.
• Page Program: This feature enables fast and flexible programming of individual memory pages.
• Erase Operations: The device supports both sector and chip erase operations, facilitating data erasure when needed.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for ample data storage in a compact form factor.
• Low power consumption makes it suitable for battery-powered applications.
• Fast access time enables quick retrieval of stored data.
• Sector architecture and page program functionality enhance data organization and flexibility.

Disadvantages

• Limited write endurance: The AT45DQ161-SHF2B-T has a finite number of write cycles before degradation may occur.
• Relatively small package size may limit its use in certain space-constrained applications.

Working Principles

The AT45DQ161-SHF2B-T utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge storage mechanisms to retain information even without power. The serial peripheral interface (SPI) facilitates communication between the host device and the memory, enabling data transfer and manipulation.

Detailed Application Field Plans

The AT45DQ161-SHF2B-T finds application in various fields, including but not limited to: - Microcontrollers and embedded systems - Consumer electronics (e.g., digital cameras, portable media players) - Automotive electronics - Industrial control systems - Medical devices

Alternative Models

For those seeking alternative options, the following models can be considered: - AT45DB161E-SHF2B-T: Similar specifications and features, but with a different package type (8-pin SOIC) - AT25SF161-SHF2B-T: Smaller capacity (16 megabits) but offers enhanced performance and features - AT24C16C-SSHM-T: I2C interface-based EEPROM with 16 kilobits capacity

These alternatives provide varying capacities, interfaces, and form factors to suit different application requirements.

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