71V3557S75BG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Memory Controller
• Characteristics: High-speed, Low-power, Versatile
• 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: 4 Megabytes (32 Megabits)
• Data Bus Width: 16 bits
• Clock Frequency: 133 MHz
• Operating Voltage: 3.3 Volts
• Access Time: 5.4 ns
• Refresh Rate: 64 ms

Detailed Pin Configuration

The 71V3557S75BG IC has a total of 119 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VDDQ | Power Supply for I/O Buffers | | 2 | DQ0 | Data Input/Output Bit 0 | | 3 | DQ1 | Data Input/Output Bit 1 | | ... | ... | ... | | 118 | VSSQ | Ground for I/O Buffers | | 119 | VDD | Power Supply |

Functional Features

• Efficient memory control and management
• Support for burst mode operations
• Auto-refresh capability for maintaining data integrity
• Programmable CAS latency for optimizing performance
• On-chip address and control registers for easy configuration
• Low-power standby mode for power-saving applications

Advantages and Disadvantages

Advantages

• High-speed operation for quick data access
• Low-power consumption for energy-efficient designs
• Versatile functionality suitable for various applications
• Compact BGA package for space-saving integration
• Easy configuration and control through on-chip registers

Disadvantages

• Limited memory size (4 Megabytes)
• Relatively high access time compared to newer memory technologies
• Requires external components for complete memory system implementation

Working Principles

The 71V3557S75BG is a memory controller IC designed to efficiently manage and control SDRAM. It interfaces with the host system and provides seamless communication between the processor and the memory module. The IC handles address decoding, data transfer, refresh operations, and timing control, ensuring reliable and high-performance memory access.

Detailed Application Field Plans

The 71V3557S75BG is widely used in various electronic devices that require efficient memory management. Some of its common application fields include: - Computer systems - Networking equipment - Telecommunications devices - Consumer electronics - Industrial automation

Detailed and Complete Alternative Models

• 71V3556S75BG: Similar to 71V3557S75BG but with a smaller memory size (2 Megabytes).
• 71V3558S75BG: Similar to 71V3557S75BG but with a larger memory size (8 Megabytes).
• 71V3557S75BF: Similar to 71V3557S75BG but in an LFBGA (Low-profile Fine-pitch Ball Grid Array) package.

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