71V65703S85BQGI

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Memory Controller
• Characteristics: High-speed, Low-power consumption
• Package: BGA (Ball Grid Array)
• Essence: Efficient memory management and control
• Packaging/Quantity: Single unit per package

Specifications

• Memory Type: SDRAM (Synchronous Dynamic Random Access Memory)
• Memory Size: 64 Megabits (8 Megabytes)
• Data Bus Width: 16 bits
• Clock Frequency: 133 MHz
• Operating Voltage: 3.3V
• Access Time: 5 ns
• Refresh Rate: 4K cycles/32 ms

Detailed Pin Configuration

The 71V65703S85BQGI IC has a total of 119 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDD | Power Supply (3.3V) | | 2 | VSS | Ground | | 3 | A0 | Address Input Bit 0 | | 4 | A1 | Address Input Bit 1 | | ... | ... | ... | | 118 | DQ14 | Data Input/Output Bit 14 | | 119 | DQ15 | Data Input/Output Bit 15 |

Functional Features

• Efficient memory control and management for SDRAM devices
• Supports various memory operations such as read, write, refresh, and precharge
• Provides automatic refresh and self-timed row/column address generation
• Supports burst mode and burst termination
• Offers programmable CAS latency and burst length
• Includes power-saving features to reduce energy consumption

Advantages and Disadvantages

Advantages

• High-speed operation allows for faster data transfer
• Low-power consumption helps in reducing energy usage
• Efficient memory management enhances overall system performance
• Supports various memory operations and configurations

Disadvantages

• Limited memory size (64 Megabits) compared to newer memory technologies
• Requires proper configuration and timing settings for optimal performance

Working Principles

The 71V65703S85BQGI is a memory controller IC designed specifically for SDRAM devices. It acts as an interface between the microprocessor and the SDRAM, providing efficient control and management of memory operations. The IC generates row and column addresses, controls the timing of read and write operations, and manages refresh cycles. It also supports burst mode, allowing for consecutive data transfers without the need for separate address commands.

Detailed Application Field Plans

The 71V65703S85BQGI IC finds applications in various electronic devices that require memory control, such as: - Personal computers - Laptops and notebooks - Servers - Networking equipment - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

• 71V65703S85BQG8: Similar specifications but with different package type (TSOP)
• 71V65703S85BQG: Similar specifications but with different package type (TQFP)
• 71V65703S85BQ: Similar specifications but with lower clock frequency (100 MHz)

These alternative models provide similar functionality and can be used as replacements based on specific requirements.

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