AT45DQ161-SHF-B

Product Overview

Category

AT45DQ161-SHF-B belongs to the category of non-volatile memory devices.

Use

It is primarily used for data storage and retrieval in various electronic systems.

Characteristics

• Non-volatile: Retains data even when power is turned off.
• High storage capacity: Can store a large amount of data.
• Fast access time: Allows for quick retrieval of stored information.
• Low power consumption: Operates efficiently with minimal power usage.

Package

AT45DQ161-SHF-B is available in a compact surface mount package.

Essence

The essence of AT45DQ161-SHF-B lies in its ability to provide reliable and efficient non-volatile memory storage.

Packaging/Quantity

This product is typically packaged in reels or trays, with a specific quantity per package depending on the manufacturer's specifications.

Specifications

• Memory 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
• Erase/Write Cycles: 100,000 cycles

Detailed Pin Configuration

The AT45DQ161-SHF-B has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables communication with the device when pulled low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the external device.
4. Serial Data Output (SO): Transmits data to the external device.
5. Write Protect (/WP): When pulled low, prevents write operations.
6. Hold (/HOLD): Pauses ongoing operations when pulled low.
7. VCC: Power supply voltage.
8. GND: Ground reference.

Functional Features

• Sector-Based Erase and Program Operations: Allows for efficient management of data storage by erasing and programming specific sectors.
• Continuous Read Mode: Enables sequential reading of data without the need for repeated commands.
• Software Protection: Provides options to protect certain memory areas from accidental modification.
• Deep Power-Down Mode: Reduces power consumption to a minimum when the device is not in use.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited erase/write cycles may affect the lifespan of the device.
• Relatively higher cost compared to other types of memory.

Working Principles

AT45DQ161-SHF-B utilizes flash memory technology to store and retrieve data. It employs a combination of floating-gate transistors and charge storage mechanisms to achieve non-volatility.

Detailed Application Field Plans

AT45DQ161-SHF-B finds applications in various electronic systems, including but not limited to: - Consumer electronics (e.g., digital cameras, smartphones) - Automotive systems (e.g., infotainment systems, engine control units) - Industrial equipment (e.g., data loggers, automation systems) - Medical devices (e.g., patient monitoring systems, diagnostic equipment)

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT45DQ161-SHF-B include: - AT25SF161: Manufactured by Adesto Technologies Corporation. - W25Q16JV: Manufactured by Winbond Electronics Corporation. - MX25L1606E: Manufactured by Macronix International Co., Ltd.

These alternative models provide comparable features and can be considered as substitutes for AT45DQ161-SHF-B in various applications.

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