ddr3 layout
时间: 2023-09-24 19:08:07 浏览: 79
DDR3 SDRAM (Double Data Rate 3 Synchronous Dynamic Random Access Memory) has a 64-bit data bus and is typically used in desktop computers, laptops, and servers. The layout of DDR3 memory modules can vary depending on the manufacturer, but they generally follow a similar pattern.
The DDR3 module has 240 pins, with a single notch on the bottom of the module to prevent it from being installed incorrectly. The pins are arranged in a series of rows and columns, with the rows being offset slightly from each other.
The layout of the pins is divided into two sections: the front-side pins and the back-side pins. The front-side pins are used for data transfer and control signals, while the back-side pins are used for power and ground connections.
The front-side pins are arranged in eight rows, with each row containing 30 pins. The first and last rows are not used for data transfer. The remaining six rows are used for data transfer, with each row carrying 8 bits of data. The control signals are located in various locations around the module.
The back-side pins are arranged in two rows, with each row containing 30 pins. One row is used for power connections, while the other row is used for ground connections.
Overall, the layout of DDR3 memory modules is designed to provide high-speed data transfer while minimizing the risk of errors and signal interference.