AT45DB321D-SU-SL383

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and retrieval
• Characteristics:
  • Non-volatile memory
  • Serial interface
  • High-speed operation
  • Low power consumption
• Package: SOP (Small Outline Package)
• Essence: Flash memory IC
• Packaging/Quantity: Tape and reel, 3,000 units per reel

Specifications

• Memory Size: 32 megabits (4 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Write/Erase Endurance: 10,000 cycles
• Data Retention: 20 years

Pin Configuration

The AT45DB321D-SU-SL383 has a total of 8 pins, which are assigned as follows:

| Pin Number | Name | Description | |------------|------|-------------| | 1 | VCC | Power supply voltage | | 2 | GND | Ground | | 3 | SI | Serial input for data transfer | | 4 | SO | Serial output for data transfer | | 5 | WP | Write protect input | | 6 | HOLD | Hold input | | 7 | SCK | Serial clock input | | 8 | CS | Chip select input |

Functional Features

• Dual bank architecture for simultaneous read and write operations
• Continuous burst mode for high-speed data transfer
• Page erase capability for efficient memory management
• Software and hardware protection mechanisms
• Sector protection for preventing accidental erasure
• Deep power-down mode for ultra-low power consumption

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data access - Low power consumption prolongs battery life - Dual bank architecture allows for efficient read and write operations - Software and hardware protection mechanisms enhance data security

Disadvantages: - Limited memory size compared to other flash memory ICs - Relatively higher cost per megabit of storage

Working Principles

The AT45DB321D-SU-SL383 is based on the NAND flash memory technology. It utilizes a serial interface, allowing for easy integration with microcontrollers and other digital devices. The memory cells store data in a non-volatile manner, meaning the data remains intact even when power is removed. The device operates by sending commands and data through the serial interface, which are then stored or retrieved from the memory array.

Detailed Application Field Plans

The AT45DB321D-SU-SL383 is widely used in various applications that require non-volatile data storage and retrieval. Some common application fields include: - Embedded systems - Consumer electronics - Industrial automation - Automotive electronics - Medical devices

Alternative Models

1. AT45DB321E-SU-SL383: Similar specifications but with enhanced performance.
2. AT45DB641D-SU-SL383: Double the memory size compared to AT45DB321D-SU-SL383.
3. AT25SF321-SU-SL383: Smaller memory size but lower cost alternative.

These alternative models offer different options depending on the specific requirements of the application.

In conclusion, the AT45DB321D-SU-SL383 is a flash memory IC designed for data storage and retrieval. Its high-speed operation, low power consumption, and versatile features make it suitable for a wide range of applications. While it has certain limitations in terms of memory size and cost, there are alternative models available to cater to different needs.