Kingston Technology 1GB 333MHz DDR ECC Registered CL2.5 DIMM Dual Rank, x8 KVR333D8R25/1G 数据表

Memory Module Specifications

1GB 128M x 72-Bit DDR333
CL2.5 Registered 184-Pin ECC DIMM

Kingston.com

Document No. VALUERAM0437-001.A00    05/31/05

This document describes ValueRAM’s 128M x 72-bit 1GB 
(1024MB) DDR333 CL2.5 SDRAM (Synchronous DRAM) “dual 
rank” Registered ECC memory module. The components on 
this module include eighteen 64M x 8-Bit (16M x 8-Bit x 4 Bank) 
DDR333 SDRAM in TSOP packages. This 184-pin DIMM uses 
gold contact fingers and requires +2.5V. The electrical and  
mechanical specifications are as follows:

Clock Cycle Time (tCK)  

6ns (min.) / 12ns (max.)

Row Cycle Time (tRC)  

60ns (min.)

Refresh Row Cycle Time (tRFC)  

72ns (min.)

Row Active Time (tRAS)  

42ns (min.) / 70,000ns (max.)

Single Power Supply of  

+2.5V (+/- .2V)

Power  

6.125 W (operating)

UL Rating  

94 V - 0

Figure 1: KVR333D8R25/1G 184-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.