71V65703S85BQ

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: 85 MHz
• Operating Voltage: 3.3 Volts
• Access Time: 5 ns
• Refresh Rate: 4096 cycles/64 ms

Detailed Pin Configuration

The 71V65703S85BQ 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-A11 | Address Inputs | | 4 | BA0-BA1 | Bank Address Inputs | | 5 | DQ0-DQ15 | Data Inputs/Outputs | | 6 | WE | Write Enable | | 7 | CAS | Column Address Strobe | | 8 | RAS | Row Address Strobe | | ... | ... | ... |

Functional Features

• Efficient memory control and management
• Support for burst mode operations
• Auto-refresh capability for maintaining data integrity
• Low-power self-refresh mode
• Programmable CAS latency for optimizing performance
• On-chip temperature sensor for thermal management

Advantages and Disadvantages

Advantages

• High-speed operation for improved system performance
• Low-power consumption for energy efficiency
• Compact BGA package for space-saving designs
• Flexible CAS latency configuration for customization

Disadvantages

• Limited memory size (8 Megabytes)
• Requires external power supply and support circuitry
• Relatively high cost compared to other memory solutions

Working Principles

The 71V65703S85BQ is a memory controller IC designed to efficiently manage and control SDRAM. It interfaces with the system's microprocessor and handles all memory-related operations, including address decoding, data transfer, and refresh cycles. The IC ensures reliable and fast access to the SDRAM by coordinating the timing and sequencing of commands.

Detailed Application Field Plans

The 71V65703S85BQ is commonly used in various electronic devices that require high-speed memory control, such as: - Personal Computers (PCs) - Laptops and Notebooks - Servers and Workstations - Networking Equipment - Embedded Systems

Detailed and Complete Alternative Models

• 71V65703S80BQ: Similar to 71V65703S85BQ but operates at a clock frequency of 80 MHz.
• 71V65703S90BQ: Similar to 71V65703S85BQ but operates at a clock frequency of 90 MHz.
• 71V65703S100BQ: Similar to 71V65703S85BQ but operates at a clock frequency of 100 MHz.
• 71V65703S120BQ: Similar to 71V65703S85BQ but operates at a clock frequency of 120 MHz.

These alternative models provide options for different system requirements and performance needs.

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