Kingston KVR400D2N31G User Manual

Memory Module Specification

KVR400D2N3/1G

1GB 128M x 64-Bit DDR2-400

DESCRIPTION:

This document describes ValueRAM's 128M x 64-bit (1GB) DDR2-400 CL3 SDRAM
(Synchronous DRAM) memory module. The components on this module include eight
128M x 8-bit DDR2-400 SDRAM in FBGA packages. This 240-pin DIMM uses gold contact
fingers and requires +1.8V. The electrical and mechanical specifications are as follows:

FEATURES:

Clock Cycle Time (tCK) CL=3 5ns (min.) / 8ns (max.)
Row Cycle Time (tRC) 55ns (min.)
Refresh to Active/Refresh Command Time (tRFC) 127.5ns
Row Active Time (tRAS) 40ns (min.) / 70,000ns (max.)
Single Power Supply of +1.8V (+/- .1V)
Power 1.025 W (operating)
UL Rating 94 V - 0

CL3 240-Pin DIMM

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.

Units : Millimeters

Figure 1: KVR400D2N3/1G 240-Pin DIMM

Document No. VALUERAM0364-001.B00

09/09/09