Encyclopedia Entry: 71V65803S133BGGI

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 71V65803S133BGGI is a high-performance synchronous dynamic random-access memory (SDRAM) IC. It is designed for use in various electronic devices, including computers, servers, networking equipment, and telecommunications systems.

Characteristics: - High-speed operation - Large storage capacity - Low power consumption - Synchronous interface - Multiple banks for concurrent access - On-chip burst counter - Auto-refresh and self-refresh modes

Package: The 71V65803S133BGGI is available in a compact Ball Grid Array (BGA) package, which provides excellent thermal performance and ease of integration into circuit boards.

Essence: This IC serves as a crucial component in electronic systems, enabling efficient data storage and retrieval operations. It enhances the overall performance and responsiveness of devices by providing fast and reliable memory access.

Packaging/Quantity: The 71V65803S133BGGI is typically sold in reels or trays, with each reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer and distributor.

Specifications

• Memory Type: Synchronous DRAM (SDRAM)
• Organization: 8 Meg x 64
• Voltage Supply: 3.3V
• Clock Frequency: 133 MHz
• Access Time: 6 ns
• Operating Temperature Range: -40°C to +85°C
• Pin Count: 144 pins
• Data Rate: 133 MT/s

Detailed Pin Configuration

The 71V65803S133BGGI features a total of 144 pins, each serving a specific function. Here is a brief overview of the pin configuration:

• VDD: Power supply voltage
• VSS: Ground reference
• DQ0-DQ63: Data input/output pins
• A0-A22: Address input pins
• BA0-BA2: Bank address pins
• CAS: Column address strobe
• RAS: Row address strobe
• WE: Write enable
• CLK: Clock input
• CKE: Clock enable
• CS: Chip select
• DM0-DM7: Data mask pins
• DQS0-DQS7: Data strobe pins
• DQM0-DQM7: Data mask pins

Please refer to the datasheet for a complete and detailed pin configuration diagram.

Functional Features

The 71V65803S133BGGI offers several functional features that contribute to its superior performance:

1. High-Speed Operation: With a clock frequency of 133 MHz and an access time of 6 ns, this IC enables rapid data transfer and processing.
2. Large Storage Capacity: The 71V65803S133BGGI provides a storage capacity of 8 Meg x 64, allowing for ample data storage in electronic systems.
3. Low Power Consumption: This IC is designed to minimize power consumption, making it suitable for energy-efficient devices.
4. Synchronous Interface: The synchronous interface ensures synchronized communication between the memory controller and the IC, enhancing overall system efficiency.
5. Multiple Banks: The presence of multiple banks allows for concurrent access, enabling efficient multitasking and data retrieval operations.
6. On-Chip Burst Counter: The on-chip burst counter optimizes data transfer by automatically incrementing the column address during burst mode.
7. Auto-Refresh and Self-Refresh Modes: The IC supports auto-refresh and self-refresh modes, ensuring data integrity and reliability.

Advantages and Disadvantages

Advantages: - High-speed operation enhances system performance. - Large storage capacity accommodates extensive data requirements. - Low power consumption contributes to energy efficiency. - Synchronous interface improves overall system efficiency. - Multiple banks enable efficient multitasking and data retrieval. - On-chip burst counter optimizes data transfer speed. - Auto-refresh and self-refresh modes ensure data integrity.

Disadvantages: - Limited compatibility with certain older systems that do not support synchronous DRAM.

Working Principles

The 71V65803S133BGGI operates based on the principles of synchronous dynamic random-access memory (SDRAM). It stores and retrieves data using a synchronous interface, where the memory controller and the IC communicate in sync with a clock signal. The IC's internal circuitry consists of multiple banks, each containing rows and columns of memory cells. When an address is provided, the row and column addresses are decoded, allowing for data access from the corresponding memory cell. The IC supports various modes, including read, write, refresh, and power-saving modes, ensuring efficient data management and system operation.

Detailed Application Field Plans

The 71V65803S133BGGI finds applications in