AT45DB161E-SHD-B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage
• Characteristics: High-speed, Serial Interface, Non-volatile Memory
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Flash Memory IC
• 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
• Read/Write Speed: Up to 66 MHz
• Data Retention: More than 20 years
• Endurance: 10,000 erase/write cycles

Pin Configuration

The AT45DB161E-SHD-B has the following pin configuration:

1. Chip Select (/CS)
2. Output Enable (/OE)
3. Write Protect (/WP)
4. Serial Clock (SCK)
5. Serial Data Input (SI)
6. Serial Data Output (SO)
7. Ground (GND)
8. Power Supply (VCC)

Functional Features

• High-speed data transfer using SPI interface
• Sector-based architecture for efficient memory management
• Page programming and erase operations
• Continuous read mode for sequential data access
• Software and hardware protection mechanisms
• Low power consumption in standby mode

Advantages

• Compact package size allows for space-efficient designs
• High-speed operation enables quick data transfers
• Non-volatile memory retains data even when power is lost
• Wide operating temperature range for versatile applications
• Reliable endurance and data retention characteristics

Disadvantages

• Limited storage capacity compared to larger memory ICs
• Erase/write cycles are limited, requiring careful management
• Higher cost per unit compared to some other memory options

Working Principles

The AT45DB161E-SHD-B is based on flash memory technology. It utilizes a serial interface (SPI) for communication with the host microcontroller. The memory is organized into sectors and pages, allowing for efficient data storage and retrieval. Data can be written to or read from the memory using the appropriate commands over the SPI bus. The IC also incorporates various protection mechanisms to prevent accidental data corruption.

Application Field Plans

The AT45DB161E-SHD-B is suitable for a wide range of applications, including:

1. Consumer Electronics: Digital cameras, portable media players, gaming consoles.
2. Industrial Control Systems: Data loggers, automation equipment, control panels.
3. Automotive Electronics: Infotainment systems, instrument clusters, navigation devices.
4. Medical Devices: Patient monitoring systems, diagnostic equipment, medical imaging.
5. Communication Systems: Routers, modems, network switches.

Alternative Models

Here are some alternative models that offer similar functionality:

1. AT25SF041-SSHD-T: 4 Megabit Serial Flash Memory, 8-pin SOIC package.
2. MX25L1606E-M2I-12G: 16 Megabit Serial Flash Memory, 8-pin SOP package.
3. W25Q16JVSSIQ: 16 Megabit Serial Flash Memory, 8-pin SOIC package.

These alternatives can be considered based on specific requirements and availability.

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