IDT71P71804S200BQ8

Product Overview

• Category: Integrated Circuit
• Use: Memory Controller
• Characteristics: High performance, low power consumption
• Package: BQFP (Quad Flat Package)
• Essence: Efficient memory management and control
• Packaging/Quantity: 1 piece per package

Specifications

• Model: IDT71P71804S200BQ8
• Technology: CMOS
• Memory Type: Synchronous DRAM (SDRAM)
• Memory Size: 4 Megabytes (MB)
• Operating Voltage: 3.3 Volts (V)
• Clock Frequency: 200 Megahertz (MHz)
• Data Bus Width: 16 bits
• Access Time: 6 nanoseconds (ns)
• Refresh Rate: 64 milliseconds (ms)

Detailed Pin Configuration

The IDT71P71804S200BQ8 has a total of 100 pins. The pin configuration is as follows:

• Pin 1: VDDQ (Power Supply)
• Pin 2: DQ0 (Data Input/Output Bit 0)
• Pin 3: DQ1 (Data Input/Output Bit 1)
• ...
• Pin 99: VSSQ (Ground)
• Pin 100: NC (No Connection)

Functional Features

• Efficient memory control and management
• Synchronous operation with the system bus
• Burst mode for faster data transfer
• Auto-refresh capability for maintaining data integrity
• Low power consumption for energy efficiency
• Error correction and detection mechanisms

Advantages and Disadvantages

Advantages

• High performance and reliability
• Low power consumption
• Compact package size
• Easy integration into existing systems
• Error correction capabilities ensure data integrity

Disadvantages

• Limited memory size (4MB)
• Relatively slower access time compared to newer memory technologies
• Not suitable for high-end applications requiring larger memory capacities

Working Principles

The IDT71P71804S200BQ8 is a synchronous dynamic random-access memory (SDRAM) controller. It interfaces with the system bus and manages the flow of data between the processor and the memory module. The controller synchronizes its operations with the clock signal provided by the system, ensuring efficient data transfer.

When a read or write operation is initiated by the processor, the controller accesses the appropriate memory location and transfers the data through the data bus. It utilizes burst mode to transfer multiple data words in a single operation, improving overall performance.

To maintain data integrity, the controller periodically performs auto-refresh cycles, refreshing the stored data to prevent corruption. It also incorporates error correction and detection mechanisms to identify and correct any errors that may occur during data transfer.

Detailed Application Field Plans

The IDT71P71804S200BQ8 is commonly used in various applications that require efficient memory management and control. Some specific application fields include:

1. Embedded Systems: The controller is widely used in embedded systems where reliable and efficient memory control is crucial. It ensures smooth operation and data integrity in applications such as industrial automation, automotive electronics, and consumer electronics.

2. Networking Equipment: The IDT71P71804S200BQ8 finds application in networking equipment like routers, switches, and network interface cards. It facilitates fast and reliable data transfer, enhancing the overall performance of the network infrastructure.

3. Telecommunications: In telecommunications systems, the controller plays a vital role in managing the memory requirements of voice and data communication devices. It enables efficient storage and retrieval of information, ensuring seamless communication.

4. Medical Devices: Medical devices often rely on memory controllers for storing critical patient data and running complex algorithms. The IDT71P71804S200BQ8 provides the necessary memory management capabilities for medical imaging systems, patient monitors, and diagnostic equipment.

Detailed and Complete Alternative Models

1. IDT71P71204S200BQ8: Similar to the IDT71P71804S200BQ8, but with a smaller memory size of 2MB.
2. IDT71P72404S200BQ8: A higher capacity variant with 8MB memory size.
3. IDT71P73004S200BQ8: Offers 16MB memory size, suitable for applications requiring larger memory capacities.
4. IDT71P73604S200BQ8: Provides 32MB memory size, ideal for high-end applications demanding extensive memory resources.

These alternative models offer varying memory sizes to cater to different application requirements while maintaining similar functionality and characteristics as the IDT71P71804S200BQ8.

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