Kingston Technology Memory 256MB DDR 400Mhz nonECC DIMMCL3 KVR400X64C3/256 Data Sheet
Product codes
KVR400X64C3/256
Memory Module Specification
DESCRIPTION:
This document describes ValueRAM's 32M x 64-bit (256MB) CL3 DDR400 SDRAM
(Synchronous DRAM) memory module. The components on this module include eight
32M x 8-bit (8M x 8-bit x 4 Bank) DDR400 SDRAM in TSOP packages. This 184-pin DIMM
uses gold contact fingers and requires +2.5V. The electrical and mechanical specifications
are as follows:
(Synchronous DRAM) memory module. The components on this module include eight
32M x 8-bit (8M x 8-bit x 4 Bank) DDR400 SDRAM in TSOP 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)
5ns (min.) / 8ns (max.)
Row Cycle Time (t
RC
)
60ns (min.)
Refresh Row Cycle Time (tRFC)
70ns (min.)
Row Active Time (tRAS)
40ns (min.) / 70,000ns (max.)
Single Power Supply of
+2.6V (+/- .1V)
Power (IDD0)
3.224 W (operating)
UL Rating
94 V - 0
Document No. VALUERAM0289-001.A00
02/19/03
Figure 1: KVR400X64C3/256 184-Pin DDR SDRAM Module
KVR400X64C3/256
256MB 32M x 64-Bit DDR400
CL3 184-Pin DIMM
1.250
0.700
0.393
0.000
0.000
2.886
5.250
0.050
0.0078 ±0.006
(0.20 ±0.15)
(1.270)
0.
10
0
(2
.5
0
)
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
(31.75)
(17.80)
(10.00)
(00.00)
(73.30)
(133.35)
Units : Inches (Millimeters)
1
(00.00)
Note: For some configurations, the module height may vary from what is described here. However, in no configuration
will the module height exceed 1.250" (31.75mm).
will the module height exceed 1.250" (31.75mm).