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Memory Module Specification

DESCRIPTION:

ValueRAM's KVR333X64C25K2/256 is a kit of two 16M x 64-bit (128MB) CL2.5 DDR333

SDRAM (Synchronous DRAM) memory modules. Total kit capacity is 256MB. The

components on each module include four 16M x 16-bit (4M x 16-bit x 4 Bank) DDR333

SDRAM in TSOP packages. Each 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 (+/- .25V)

Power (IDD0) 0.900 W (operating)

UL Rating 94 V - 0

Document No. VALUERAM0305-001.A00

07/23/03

Figure 1: KVR333X64C25K2/256 184-Pin DIMM

KVR333X64C25K2/256

256MB (128MB 16M x 64-Bit x 2 pcs.)

DDR333 CL2.5 184-Pin 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).

1.200

0.700

0.393

0.000

2.886

5.250

0.050

0.0078 ±0.006

(0.20 ±0.15)

(1.270)

0.100

(2.50 )

0.250

(6.350)

0.157

(4.00)

0.071

(1.80)

0.039 ± 0.002

(1.000 ± 0.050)

(3.80)

2.175

(6.62)

0.26

0.1496

(3.00)

0.118

(2.00)

0.0787

(4.00)

0.1575

(30.48)

(17.80)

(10.00)

(00.00)

(73.30)

(133.35)

Units : Inches (Millimeters)

(00.00)

Memory Module Specification 1

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Memory Module SpecificationDESCRIPTION:ValueRAM's KVR333X64C25K2/256 is a kit of two 16M x 64-bit (128MB) CL2.5 DDR333SDRAM (Synchronous DRAM) me

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