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Memory Module Specification

DESCRIPTION:

This document describes ValueRAM's 256M x 64-bit 2GB (2048MB) DDR2-533 CL4

SDRAM (Synchronous DRAM) memory module. The components on this module include

sixteen 128M x 8-bit (16M x 8-bit x 8 Bank) DDR2-533 SDRAM in FBGA packages. This 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=4 3.75ns (min.) / 8ns (max.)

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

Refresh to Active/Refresh Command Time (tRFC) 127.5ns

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

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

Power 3.225 W (operating)

UL Rating 94 V - 0

Document No. VALUERAM0424-001.B00

06/23/06

Figure 1: KVR533D2N4/2G 240-Pin DIMM

KVR533D2N4/2G

2GB 256M x 64-Bit DDR2-533

CL4 240-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. However, in no configuration will the module height exceed 1.250" (31.75mm).

131.35

Units : Millimeters

133.35

10.00

1.270 ± 0.10

4.0

SPD

128.95

(2)

2.50

(2X)4.00

30.00

2.30

17.80

63.00

55.00

2.50

1.00

0.20

2.50±0.20

Detail B

5.00

Detail A

4.00

1.50±0.10

0.80±0.05

4.00

3.80

3.00

4.00

Memory Module Specification 1

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Memory Module SpecificationDESCRIPTION:This document describes ValueRAM's 256M x 64-bit 2GB (2048MB) DDR2-533 CL4SDRAM (Synchronous DRAM) memory

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