[. . . ] [. . . ] The electrical and mechanical specifications are as follows: FEATURES: CLK Cycle Time (tCC) Row Cycle Time (tRC) CLK to Output (tSAC) Single Power Supply of Power UL Rating PC133 SDRAM 144-Pin CL3 SODIMM Memory Module min. = 5. 4ns (CAS Latency = 3) +3. 3V (+/- . 3V) 3. 168 W (operating) 94 V - 0 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). 2. 66 (67. 56) 2. 50 (63. 60) 0. 16 ± 0. 039 (4. 00 ± 0. 10) 0. 79 (20. 00) 0. 24 (6. 0) Units : Inches (Millimeters) 2-R 0. 078 Min (2. 00 Min) (25. 40) 1. 00 1 59 61 143 0. 13 (3. 30) 0. 91 (23. 20) 0. 10 (2. 50) 0. 15 (3. 70) 2 60 62 0. 18 (4. 60) 0. 083 (2. 10) Z 1. 29 (32. 80) 2-f 0. 07 (1. 80) Tolerances : ±. 006(. 15) unless otherwise specified Y 144 (2. 55 Min) 0. 10 Min 0. 150 Max (3. 80 Max) (3. 20 Min) (4. 00 Min) 0. 125 Min 0. 157 Min 0. 024 ± 0. 001 (0. 60 ± 0. 05) 0. 01 Max (0. 25 Max) 0. 03 TYP (0. 80 TYP) 0. 16 ± 0. 0039 (4. 00 ± 0. 10) 0. 06 ± 0. 0039 (1. 50 ± 0. 1) 0. 04 ± 0. 0039 (1. 00 ± 0. 10) Detail Z Detail Y Figure 1: KVR133X64SC3L/256 144-Pin SDRAM Module Document No. [. . . ] [. . . ]