Memory Module Specification
DESCRIPTION:
This document describes ValueRAM's 64M x 72-bit (512MB), CAS Latency 3 (CL3)
SDRAM (Synchronous DRAM) 133MHz ECC memory module. The components on this
module include eighteen 32M x 8-bit (8M x 8-bit x 4 Bank / PC133 components) SDRAM
in TSOP packages. This 168-pin DIMM uses gold contact fingers and requires +3.3V. The
electrical and mechanical specifications are as follows:
FEATURES:
CLK Cycle Time (tCC) min. = 7.5ns (CAS Latency = 3) / max. = 1000ns
Row Cycle Time (tRC) 65ns
CLK to Output (tSAC) max. = 5.4ns (CAS Latency = 3)
Single Power Supply of +3.3V (+/- .3V)
Power 4.430 W (operating)
UL Rating 94 V - 0
Part No. VALUERAM0217-001.A00
11/15/01
Figure 1: KVR133X72C3L/512 168-Pin SDRAM Module
KVR133X72C3L/512
133MHz SDRAM 168-Pin ECC
PC133 DIMM Memory Module
Tolerances : ± .005(.13) unless otherwise specified
5.250
5.014
Units : Inches (Millimeters)
R 0.079
(R 2.000)
0.250
(6.350)
1.450
(36.830)
2.150
(54.61)
0.118
(3.000)
0.350
0.100 Min
(2.540 Min)
0.700
(17.780)
.118DIA ± 0.004
(3.000DIA ± 0.100)
(8.890)
A
B C
0.250
(6.350)
.450
(11.430)
4.550
(115.57)
0.157 ± 0.004
(4.000 ± 0.100)
0.089
(2.26)
(127.350)
(133.350)
1.150
(29.210)
0.118
(3.000)
0.125
(3.175)
0.375
(9.525)
0.096
(2.44)
R 0.050+0.04
(R 1.27+0.1)
/