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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:

FEATURES:

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 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).

Memory Module SpecificationDESCRIPTION:This document describes ValueRAM's 32M x 72-bit (256MB) DDR333 CL2.5 SDRAM(Synchronous DRAM) "single

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Kingston Technology KVR333S8R25/256 Scheda Tecnica