AT45DQ161-SHD2B-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage
• Characteristics: High-speed, Serial Flash Memory
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Non-volatile memory for storing data
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

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

Pin Configuration

The AT45DQ161-SHD2B-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

• High-speed data transfer with SPI interface
• Dual output mode for faster read operations
• Sector-based erase and program operations
• Continuous read capability
• Low power consumption in standby mode
• Software and hardware write protection options
• Deep power-down mode for further power savings

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - Flexible write protection options - Dual output mode for faster reads - Wide operating temperature range

Disadvantages: - Limited storage capacity compared to other memory types - Relatively higher cost per unit compared to traditional storage media

Working Principles

The AT45DQ161-SHD2B-T is based on the Serial Peripheral Interface (SPI) protocol. It uses non-volatile memory technology to store data, which means the data remains intact even when power is removed. The SPI interface allows for high-speed communication between the IC and the host device. The chip select pin (/CS) is used to enable or disable the IC, while the serial clock (SCK) controls the timing of data transfer. The serial data input (SI) pin receives data from the host device, and the serial data output (SO) pin sends data back to the host device.

Detailed Application Field Plans

The AT45DQ161-SHD2B-T is widely used in various applications that require non-volatile data storage. Some common application fields include:

1. Consumer Electronics: Used in digital cameras, portable media players, and gaming consoles for storing firmware, configuration settings, and user data.
2. Industrial Automation: Used in programmable logic controllers (PLCs), industrial control systems, and data loggers for storing critical data and program code.
3. Automotive: Used in automotive electronics for storing calibration data, firmware updates, and event logging.
4. Medical Devices: Used in medical equipment for storing patient data, device configurations, and software updates.
5. Communication Systems: Used in networking devices, routers, and switches for storing firmware, configuration files, and logs.

Alternative Models

• AT45DB161E-SHD2B-T
• AT25SF161-SHD2B-T
• MX25L1606E-M2I-12G
• W25Q16JVSSIQ
• S25FL116K0XMFI011

These alternative models offer similar functionality and can be considered as replacements for the AT45DQ161-SHD2B-T.

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