AT45DB161B-CI

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Flash Memory
• Characteristics:
  • Non-volatile memory
  • High-density storage
  • Low power consumption
  • Serial interface
• Package: Chip Integration
• Essence: Store and retrieve digital data in various electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on manufacturer's specifications

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
• Data Retention: More than 20 years
• Program/Erase Cycles: 10,000 minimum

Pin Configuration

The AT45DB161B-CI has a total of 8 pins:

1. VCC - Power Supply
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

• Dual bank architecture for simultaneous read and write operations
• Continuous burst mode for fast data transfer
• Page erase capability for efficient memory management
• Hardware and software protection mechanisms
• Flexible sector and block erase options
• Automatic sleep mode for power saving

Advantages

• High storage capacity for data-intensive applications
• Low power consumption extends battery life
• Serial interface simplifies integration with microcontrollers
• Durable and reliable non-volatile memory technology
• Efficient memory management features enhance performance

Disadvantages

• Limited program/erase cycles may restrict certain applications
• Serial interface may have slower data transfer compared to parallel interfaces
• Higher cost compared to traditional storage solutions

Working Principles

The AT45DB161B-CI utilizes flash memory technology to store and retrieve digital data. It employs a serial peripheral interface (SPI) for communication with the host device. The memory is organized into multiple sectors and blocks, allowing efficient management of data storage and retrieval. The dual bank architecture enables simultaneous read and write operations, enhancing performance in data-intensive applications.

Detailed Application Field Plans

The AT45DB161B-CI is widely used in various electronic devices that require non-volatile memory for data storage. Some common application fields include:

1. Consumer Electronics:

   • Digital cameras
   • Set-top boxes
   • Portable media players

2. Industrial Automation:

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

3. Automotive:

   • Infotainment systems
   • Engine control units (ECUs)
   • Instrument clusters

4. Communication Systems:

   • Routers and switches
   • Network storage devices
   • Wireless access points

Alternative Models

• AT45DB081D-CNU
• AT45DB321E-SHN
• AT45DB642D-CNU

These alternative models offer similar functionality and specifications to the AT45DB161B-CI, providing options for different memory size requirements or specific application needs.

In conclusion, the AT45DB161B-CI is a high-density data flash memory IC that offers reliable and efficient storage capabilities for a wide range of electronic devices. Its advanced features, such as dual bank architecture and page erase capability, make it suitable for various application fields. While it has some limitations, its advantages outweigh the disadvantages, making it a popular choice among designers and engineers in need of non-volatile memory solutions.