GDDR3 Graphics RAM 1-Gbit GDDR3 Graphics RAM

The Qimonda 1-Gbit GDDR3 Graphics RAM is a high speed memory device, designed for high bandwidth intensive applications like PC graphics systems. The chip is programmable into two different configurations. In the default mode the architecture is organized as two 512 Mbit Memories of 8 banks, each (two CS mode). In an alternate configuration, it behaves as a conventional, 8-bank 1 Gbit DRAM (one CS mode). Note that at 1000 MHz speed grade only one CS mode is supported. HYB18H1G321AF10 HYB18H1G321AF-11 HYB18H1G321AF-14 uses a double data rate Interface and a 4n-pre fetch architecture. The GDDR3 Interface transfers two 32 bit wide data words per Clock cycle to/from the I/O pins. Corresponding to the 4n-pre fetch a single write or read access consists of a 128 bit wide, one-clock-cycle data transfer at the internal memory core and four corresponding 32 bit wide, one- half-clock-cycle data transfers at the I/O pins By Qimonda
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HYB18H1G321AF-10 Pinout, Pinouts
HYB18H1G321AF-10 pinout,Pin out
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