Kingston Technology 1GB 400MHZ DDR2 ECC KVR400D2S8R3/1GI 数据表

Memory Module Specifications

1GB 128M x 72-Bit DDR2-400
CL3 Registered 240-Pin ECC DIMM

Kingston.com

Document No. VALUERAM0488-001.A00    06/23/06

This document describes ValueRAM’s 128M x 72-bit 1GB 
(1024MB) DDR2-400 CL3 SDRAM (Synchronous DRAM)  
“single rank” registered ECC, Intel

®

 Compatibility Tested, memory  

module. The components on this module include nine 128M x 
8-bit (16M x 8-bit x 8 Bank) 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:

Clock Cycle Time (tCK) CL=3  

5ns (min.) / 8ns (max.)

Row Cycle Time (tRC)  

55ns (min.)

Refresh to Active/Refresh  

127.5ns 

Command Time (tRFC) 

Row Active Time (tRAS)  

40ns (min.) / 70,000ns (max.)

Single Power Supply of  

+1.8V (+/- .1V)

Power  

2.335 W (operating)

UL Rating  

94 V - 0

Figure 1: KVR400D2S8R3/1GI 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.