AT45DQ161-SHF-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and retrieval
• Characteristics: Non-volatile, high-speed, low-power, serial interface
• Package: Surface Mount Technology (SMT)
• Essence: Flash memory IC with 16 megabits capacity
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Memory Capacity: 16 megabits (2 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: 20 years
• Program/Erase Cycles: 100,000 cycles

Pin Configuration

The AT45DQ161-SHF-T has a total of 8 pins arranged as follows:

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

• High-speed data transfer up to 66 MHz
• Dual output mode for faster read access
• Sector-based architecture for efficient data management
• Hardware and software protection mechanisms
• Low power consumption in standby mode
• Automatic sleep mode for further power savings

Advantages and Disadvantages

Advantages

• Large storage capacity for various applications
• Fast data transfer speeds for quick access
• Low power consumption for extended battery life
• Reliable data retention for long-term storage
• Flexible sector-based architecture for efficient data management

Disadvantages

• Limited program/erase cycles may affect lifespan
• Higher cost compared to lower capacity alternatives
• Limited compatibility with certain legacy systems

Working Principles

The AT45DQ161-SHF-T utilizes flash memory technology to store and retrieve digital data. It employs a serial interface, allowing for easy integration into various electronic devices. The IC operates by sending commands and data through the SPI interface, enabling high-speed read and write operations. The sector-based architecture allows for efficient data management, while hardware and software protection mechanisms ensure data integrity and security.

Detailed Application Field Plans

The AT45DQ161-SHF-T is widely used in applications that require non-volatile data storage and retrieval. Some of the common application fields include:

1. Consumer Electronics: Used in digital cameras, portable media players, and gaming consoles for storing firmware, user data, and multimedia content.
2. Industrial Automation: Employed in programmable logic controllers (PLCs), data loggers, and industrial control systems for storing configuration data and event logs.
3. Automotive: Integrated into automotive infotainment systems, navigation units, and engine control modules for storing maps, audio files, and vehicle parameters.
4. Medical Devices: Utilized in medical equipment such as patient monitors, ultrasound machines, and infusion pumps for storing patient data and device settings.

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: 4 megabit (512 kilobyte) flash memory IC with similar characteristics and package.
2. AT26DF321-SU: 32 megabit (4 megabyte) flash memory IC with higher capacity and similar features.
3. MX25L12835FZNI-10G: 128 megabit (16 megabyte) flash memory IC with larger capacity and comparable specifications.

These alternative models offer different capacities and features to suit specific application requirements.

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