AT45DB321C-TC

Product Overview

Category

AT45DB321C-TC belongs to the category of Serial DataFlash® Memory.

Use

This product is primarily used for storing and retrieving data in various electronic devices such as microcontrollers, digital cameras, portable media players, and other consumer electronics.

Characteristics

• Non-volatile memory: The AT45DB321C-TC offers non-volatile storage, meaning it retains data even when power is disconnected.
• High capacity: With a capacity of 32 megabits (4 megabytes), this memory chip provides ample space for data storage.
• Serial interface: It utilizes a serial interface for easy integration into different systems.
• Low power consumption: The AT45DB321C-TC is designed to consume minimal power, making it suitable for battery-powered devices.
• Fast data transfer: It supports high-speed data transfer rates, enabling efficient read and write operations.

Package

The AT45DB321C-TC is available in a standard 8-pin Thin Small Outline Package (TSOP).

Essence

The essence of AT45DB321C-TC lies in its ability to provide reliable and high-capacity data storage in a compact form factor, making it an essential component for many electronic devices.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of AT45DB321C-TC chips. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Memory capacity: 32 megabits (4 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
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT45DB321C-TC features an 8-pin Thin Small Outline Package (TSOP) with the following pin configuration:

1. Chip Select (/CS)
2. Serial Data Input/Output (SI/SO)
3. Serial Clock (SCK)
4. Write Protect (/WP)
5. Reset (/RESET)
6. VCC (Power supply)
7. Ground (GND)
8. Hold (/HOLD)

Functional Features

• Page program operation: The AT45DB321C-TC allows data to be programmed in page mode, enabling efficient and flexible data storage.
• Continuous read mode: It supports continuous reading of data, allowing for faster access to stored information.
• Sector erase capability: This memory chip provides sector erase functionality, enabling selective erasure of specific sections of data.
• Software protection: The AT45DB321C-TC offers software-based write protection, ensuring data integrity and preventing unauthorized modifications.

Advantages and Disadvantages

Advantages

• High capacity for data storage
• Low power consumption
• Fast data transfer rates
• Compact form factor
• Long data retention period
• Flexible programming options

Disadvantages

• Limited endurance (100,000 write cycles)
• Requires a compatible serial interface for communication

Working Principles

The AT45DB321C-TC utilizes flash memory technology to store and retrieve data. It employs a serial interface, specifically the Serial Peripheral Interface (SPI), for communication with the host device. The memory is organized into sectors and pages, allowing for efficient read, write, and erase operations. The chip's internal circuitry manages data programming, erasing, and retrieval based on the commands received from the host device.

Detailed Application Field Plans

The AT45DB321C-TC finds applications in various fields, including but not limited to: 1. Embedded systems: Used for data storage in microcontrollers and other embedded devices. 2. Consumer electronics: Integrated into digital cameras, portable media players, and similar devices for storing multimedia content. 3. Industrial automation: Employed in industrial control systems for data logging and configuration storage. 4. Automotive electronics: Utilized in automotive applications for storing firmware, configuration data, and diagnostic information.

Detailed and Complete Alternative Models

1. AT45DB321D-TC: Similar to AT45DB321C-TC but with enhanced performance and additional features.
2. AT25DF321A: A compatible alternative from a different manufacturer, offering similar specifications and functionality.
3. MX25L3206E: Another alternative model with comparable capacity and interface options.

These alternative models provide similar capabilities to the AT45DB321C-TC and can be considered as substitutes based on specific requirements and availability.

Word count: 1100 words