This data sheet describes two 256Mx72-bit (2GB) DDR-400 registered SDRAM (Synchronous DRAM) memory modules as a kit. Each module contains 36 128Mx4-bit DDR SDRAM devices in 60 ball FBGA packages. This module uses gold plated contact fingers and requires power supply of 2.5V. The electrical and mechanical specifications are shown below:
PERFORMANCE:
- Clock Cycle Time (tCK) 5ns (min) / 8ns (max)
- Row Cycle Time (tRC) 55ns (min.)
- Row Active Time (tRAS) 40ns (min.) / 70,000ns (max.)
- Active to Read/Write delay (tRCD) 15ns
- Precharge command period (tRP) 15ns
- Operating Temperature 0°C to +70°C
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DESCRIPTION:
This data sheet describes two 256Mx72-bit (2GB) DDR-400 registered SDRAM (Synchronous DRAM) memory modules as a kit. Each module contains 36 128Mx4-bit DDR SDRAM devices in 60 ball FBGA packages. This module uses gold plated contact fingers and requires power supply of 2.5V. The electrical and mechanical specifications are shown below:
PERFORMANCE:
- Clock Cycle Time (tCK) 5ns (min) / 8ns (max)
- Row Cycle Time (tRC) 55ns (min.)
- Row Active Time (tRAS) 40ns (min.) / 70,000ns (max.)