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Memory Module Specification

Document No. VALUERAM0464-001.A00

09/26/05

DESCRIPTION:

ValueRAM's KVR400D2S4R3K2/1G is a kit of two 64M x 72-bit (512MB) DDR2-400 CL3

SDRAM (Synchronous DRAM) "single rank" registered ECC memory modules. Total kit

capacity is 1GB (1024MB). The components on each module include eighteen 64M x 4-bit (16M

x 4-bit x 4 Bank) DDR2-400 SDRAM in FBGA packages. Each 240-pin DIMM uses gold contact

fingers and requires +1.8V. The electrical and mechanical specifications are as follows:

FEATURES:

Clock Cycle Time (tCK) CL=3 5ns (min.) / 8ns (max.)

Row Cycle Time (tRC) 55ns (min.)

Refresh to Active/Refresh Command Time (tRFC) 75ns

Row Active Time (tRAS) 40ns (min.) / 70,000ns (max.)

Single Power Supply of +1.8V (+/- .1V)

Power 4.050 W (operating per module)

UL Rating 94 V - 0

Figure 1: KVR400D2S4R3K2/1G 240-Pin DIMM

KVR400D2S4R3K2/1G

1GB (512MB 64M x 72-Bit x 2 pcs.) DDR2-400

CL3 Registered 240-Pin ECC DIMM Kit

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 1.250" (31.75mm).

(Units = millimeters)

Memory Module SpecificationDocument No. VALUERAM0464-001.A0009/26/05DESCRIPTION:ValueRAM's KVR400D2S4R3K2/1G is a kit of two 64M x 72-bit (512MB)

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Kingston Technology KVR400D2S4R3K2 Datový list