AT45DQ161-SHD-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and retrieval
• Characteristics: Non-volatile, high-speed, low-power, serial interface
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Flash memory IC for data storage in various electronic devices
• 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 Range: -40°C to +85°C
• Write/Erase Endurance: 100,000 cycles
• Data Retention: 20 years
• Sector Size: 4 kilobytes
• Page Size: 256 bytes
• Maximum Clock Frequency: 66 MHz

Pin Configuration

The AT45DQ161-SHD-T has the following pin configuration:

1. VCC: Power supply voltage
2. GND: Ground reference
3. SI: Serial input for data transfer
4. SO: Serial output for data transfer
5. WP: Write protect control input
6. HOLD: Hold control input
7. SCK: Serial clock input
8. CS: Chip select input

Functional Features

• Dual Data Register Architecture: Allows simultaneous read and write operations
• Continuous Read Mode: Enables fast sequential access to memory locations
• RapidS serial interface: Provides high-speed data transfer
• Hardware Protection: Write protection and hold functions for data security
• Software Command Set: Offers flexible control over memory operations

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - Compact package size - Reliable data retention - Flexible control options

Disadvantages: - Limited memory capacity compared to other storage solutions - Requires an external microcontroller for operation

Working Principles

The AT45DQ161-SHD-T is based on flash memory technology. It utilizes a combination of floating-gate transistors and charge storage cells to store data. The serial interface allows for easy integration with microcontrollers and other digital devices. Data can be written, read, and erased using specific commands sent through the SPI interface.

Detailed Application Field Plans

The AT45DQ161-SHD-T is widely used in various electronic devices that require non-volatile data storage. Some common application fields include:

1. Consumer Electronics: Digital cameras, portable media players, gaming consoles
2. Automotive: Infotainment systems, navigation devices, engine control units
3. Industrial Automation: Programmable logic controllers, data loggers, human-machine interfaces
4. Medical Devices: Patient monitoring systems, diagnostic equipment, medical imaging devices

Alternative Models

1. AT45DB161E-SHD-T: Similar specifications, but with extended temperature range (-40°C to +105°C)
2. AT45DB321E-SHD-T: Higher memory capacity (32 megabits) with similar features
3. AT45DB641E-SHD-T: Larger memory capacity (64 megabits) with similar characteristics

These alternative models provide options for different project requirements while maintaining compatibility with the AT45DQ161-SHD-T.

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