Kingston Technology 512MB 333MHz DDR ECC Reg CL2.5 DIMM Single Rank, x4 Intel Validated KVR333S4R25/512I 数据表

This document describes ValueRAM's 64M x 72-bit (512MB) DDR333 CL2.5 SDRAM
(Synchronous DRAM) "single rank" Registered ECC "Intel Certified" memory module. The
components on this module include eighteen 64M x 4-bit (16M x 4-Bit x 4 Bank) DDR333
SDRAM in BGA 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 (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

7.225 W (operating)

UL Rating

94 V - 0

Part No. VALUERAM0439-001.A00

06/21/05

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).