DESCRIPTION:

This document describes ValueRAM’s 256M x 64-bit 2GB (2048MB) DDR2-800 CL5 SDRAM (Synchronous DRAM) memory module. The components on this module include sixteen 128M x 8-bit DDR2-800 SDRAM in FBGA packages. This 240-pin DIMM uses gold contact fingers and requires +1.8V. The electrical and mechanical specifications are as follows:

SPECIFICATIONS:

Clock Cycle Time (tCK) CL=5 2.5ns (min.) / 8ns (max.) 

Row Cycle Time (tRC) 60ns (min.) 

Refresh to Active/Refresh 127.5ns 

Command Time (tRFC) Row Active Time (tRAS) 38ns (min.) / 70,000ns (max.) 

Single Power Supply of +1.8V (+/- .1V) 

Power: 1.975W (operating) 

UL Rating 94 V - 0

Note: The module defined in this data sheet is one of several configurations available under this part number. While all configurations are compatible, the DRAM combination and/or the module height may vary from what is described here.