AT45DB161B-TC

Product Overview

Category

AT45DB161B-TC belongs to the category of flash memory devices.

Use

It is primarily used for data storage and retrieval in various electronic devices.

Characteristics

• Non-volatile memory
• High-speed data transfer
• Low power consumption
• Reliable and durable
• Wide operating temperature range

Package

AT45DB161B-TC is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of AT45DB161B-TC lies in its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Memory Size: 16 megabits (2 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Erase/Program Cycles: 10,000 minimum

Detailed Pin Configuration

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

Functional Features

• Page Program Operation: Allows individual bytes or full pages to be programmed.
• Continuous Read Mode: Enables sequential reading of multiple pages without the need for reselecting the device.
• Sector Erase Capability: Provides the ability to erase large blocks of memory.
• Software Protection: Allows write protection of the entire memory array or selected sectors.
• Deep Power-down Mode: Reduces power consumption when the device is not in use.

Advantages and Disadvantages

Advantages

• High-speed data transfer enables quick access to stored information.
• Low power consumption prolongs battery life in portable devices.
• Wide operating temperature range ensures reliable performance in various environments.
• Non-volatile memory retains data even when power is disconnected.
• Durable construction withstands harsh conditions.

Disadvantages

• Limited erase/program cycles may restrict the lifespan of the device.
• Relatively small memory size compared to other flash memory options.
• Requires an external microcontroller or host device for operation.

Working Principles

AT45DB161B-TC utilizes a combination of floating gate and control gate transistors to store digital information. The memory cells are organized into sectors, pages, and bytes, allowing for efficient read and write operations. Data can be written to the memory using the SPI interface, and it can be accessed by sending appropriate commands to the device.

Detailed Application Field Plans

AT45DB161B-TC finds applications in various electronic devices, including but not limited to: - Consumer electronics (e.g., smartphones, tablets) - Automotive systems (e.g., infotainment, navigation) - Industrial equipment (e.g., control systems, data loggers) - Medical devices (e.g., patient monitoring, diagnostic equipment)

Detailed and Complete Alternative Models

1. AT45DB321E-SSHN-T: 32 megabit (4 megabyte) flash memory with similar features and package.
2. AT45DB641E-SHN-B: 64 megabit (8 megabyte) flash memory with extended temperature range.

These alternative models offer increased memory capacity while maintaining compatibility with the AT45DB series.

In conclusion, AT45DB161B-TC is a flash memory device that provides reliable and efficient data storage and retrieval. With its high-speed transfer, low power consumption, and wide operating temperature range, it is suitable for various applications in consumer electronics, automotive systems, industrial equipment, and medical devices. While it has limitations such as limited erase/program cycles and smaller memory size, alternative models with higher capacity are available within the AT45DB series.