AT45DQ321-MWHFHJ-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and retrieval
• Characteristics: High-speed, non-volatile, serial interface
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Flash memory IC with dual output SPI (Serial Peripheral Interface)
• Packaging/Quantity: Tape and reel, 2500 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
• Data Retention: 20 years
• Program/Erase Cycles: 100,000 cycles

Detailed Pin Configuration

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

Functional Features

• Dual output SPI for high-speed data transfer
• Sector-based architecture for efficient data management
• Hardware and software protection mechanisms
• Low power consumption in standby mode
• Fast program and erase operations

Advantages

• High-speed data transfer rate
• Non-volatile memory retains data even without power
• Compact package size for space-constrained applications
• Wide operating temperature range for versatile usage
• Reliable data retention for long-term storage

Disadvantages

• Limited memory size compared to larger capacity options
• Limited program/erase cycles before potential degradation
• Requires external components for proper operation
• Relatively higher cost compared to some alternatives

Working Principles

The AT45DQ321-MWHFHJ-T is a flash memory IC that utilizes the Serial Peripheral Interface (SPI) for communication with a microcontroller or other devices. It stores data in non-volatile memory cells, which retain information even when power is removed. The dual output SPI allows for high-speed data transfer, enabling efficient read and write operations.

Detailed Application Field Plans

• Embedded systems
• Consumer electronics
• Industrial automation
• Automotive applications
• Internet of Things (IoT) devices

Alternative Models

1. AT45DB321E-SHN2B-T: Similar flash memory IC with slightly different specifications.
2. MX25L3206EM2I-12G: Flash memory IC from another manufacturer with comparable features.
3. S25FL032P0XMFI011: Alternative flash memory IC with higher capacity and faster performance.

(Note: These alternative models are provided as examples and may not be an exhaustive list.)

This encyclopedia entry provides an overview of the AT45DQ321-MWHFHJ-T flash memory IC. It includes basic information about the product, such as its category, use, characteristics, package, essence, and packaging/quantity details. The specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models are also discussed.