AT45DQ161-SH2B-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and retrieval
• Characteristics: Non-volatile, Serial Interface, High-Speed, Low Power Consumption
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Flash Memory IC with Dual Quad SPI Interface
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 16 Megabits (2 Megabytes)
• Interface: Dual Quad SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Write Protection: Software and Hardware Write Protection
• Data Retention: Up to 20 years
• Endurance: 100,000 write cycles per sector

Pin Configuration

The AT45DQ161-SH2B-T has the following 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

• Dual Quad SPI Interface allows for high-speed data transfer.
• Non-volatile memory retains data even when power is removed.
• Low power consumption extends battery life in portable devices.
• Software and hardware write protection options ensure data integrity.
• Sector-based erase and program operations enable efficient memory management.

Advantages and Disadvantages

Advantages: - High-speed data transfer rate. - Low power consumption. - Compact package size. - Wide operating temperature range. - Long data retention period.

Disadvantages: - Limited memory size (16 Megabits). - Relatively small number of write cycles per sector. - Requires external components for proper operation.

Working Principles

The AT45DQ161-SH2B-T is based on Flash memory technology. It utilizes a Dual Quad SPI interface to communicate with the host microcontroller or system. The memory cells store data in a non-volatile manner, meaning the data remains intact even when power is removed. The IC supports both read and write operations, allowing for data storage and retrieval.

Detailed Application Field Plans

The AT45DQ161-SH2B-T can be used in various applications, including but not limited to:

1. Consumer Electronics:

   • Digital cameras
   • MP3 players
   • Set-top boxes

2. Industrial Control Systems:

   • Data loggers
   • Programmable logic controllers (PLCs)
   • Human-machine interfaces (HMIs)

3. Automotive Electronics:

   • Infotainment systems
   • On-board diagnostics (OBD)
   • Instrument clusters

4. Medical Devices:

   • Patient monitoring systems
   • Portable medical equipment
   • Diagnostic devices

Alternative Models

If the AT45DQ161-SH2B-T does not meet specific requirements, alternative models with similar functionality include:

1. AT45DB161E-SH2B-T
2. AT25SF161-SH2B-T
3. MX25L1606E-SH2B-T
4. W25Q16JVZPIQ-T

These alternatives offer different memory sizes, package options, or additional features, providing flexibility for various design needs.

In conclusion, the AT45DQ161-SH2B-T is a 16 Megabit Flash Memory IC with a Dual Quad SPI interface. It offers high-speed data transfer, low power consumption, and reliable data retention. While it has limitations in terms of memory size and write cycles, it finds applications in consumer electronics, industrial control systems, automotive electronics, and medical devices. Alternative models are available to suit specific requirements.