Kingston Technology Memory 256MB Reg ECC DDR CL2.5 KVR333S8R25/256 Data Sheet
Product codes
KVR333S8R25/256
Memory Module Specification
DESCRIPTION:
This document describes ValueRAM's 32M x 72-bit (256MB) DDR333 CL2.5 SDRAM
(Synchronous DRAM) "single rank" Registered ECC memory module. The components on
this module include nine 32M x 8-bit (8M x 8-bit x 4 Bank) DDR333 SDRAM in FBGA
packages. This 184-pin DIMM uses gold contact fingers and requires +2.5V. The electrical
and mechanical specifications are as follows:
(Synchronous DRAM) "single rank" Registered ECC memory module. The components on
this module include nine 32M x 8-bit (8M x 8-bit x 4 Bank) DDR333 SDRAM in FBGA
packages. This 184-pin DIMM uses gold contact fingers and requires +2.5V. The electrical
and mechanical specifications are as follows:
FEATURES:
Clock Cycle Time (tCK)
6ns (min.) / 12ns (max.)
Row Cycle Time (t
RC
)
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
3.900 W (operating)
UL Rating
94 V - 0
Part No. VALUERAM0441-001.A00
06/21/05
Figure 1: KVR333S8R25/256 184-Pin DIMM
KVR333S8R25/256
256MB 32M x 72-Bit DDR333 CL2.5
Registered 184-Pin ECC 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. However, in no configuration will the module height exceed 1.200" (30.48mm).
all configurations are compatible, the DRAM combination and/or the module height may vary from what is described
here. However, in no configuration will the module height exceed 1.200" (30.48mm).