IC438 Series Dual Inline Memory Module (DIMM, 168 pins) Specifications Part Number (Details) Insulation Resistance: 1,000M W min. at 500V DC Dielectric Withstanding Voltage: 700V AC for 1 minute Contact Resistance: 30m W max. at 10m /20mV max. Operating Temperature Range: –55°C to +170°C Mating Cycles: 10,000 insertions min. Pin Count: 168 contact pins IC-438 - * - * - MF Series No. Positioning Detail 1 (see Section "A") Materials and Finish Positioning Detail 2 (see Section "B") Housing: Polyetherimide (PEI), glass-filled Contacts: Beryllium Copper (BeCu) Plating: Gold over Nickel MF = Flanged Unmarked = Not Flanged Features í Card thickness 1.27mm í 7 different positioning indicators í Possible customer DIMM modules: Toshiba, NEC, OKI, Hitachi, Fujitsu, Siemens and Infineon Outline Socket Dimensions Recommended PC Board Layout Top View from Socket 153.70±0.4 17.0 43.18±0.1 162.70±0.1 1.27±0.1 1.27x29=36.83 ±0.1 1.27x29= 36.83 ±0.2 1.27x9=11.43 ±0.2 1.27x43=54.61 ±0.2 6.35±0.2 1.27x43=54.61 ±0.1 54.61±0.1 6.35±0.2 1.27x9=11.43 ±0.1 133.55 6.35±0.05 (6.35) + 0.2 0 1.27±0.05 3.70±0.5 8.28±0.05 5.08±0.05 Sec. "B" 34.10 Sec. "A" 15.48±0.1 (128.00) Æ3.20 168-Æ0.80 + 0.1 0 + 0.1 0 w0.40 x t0.30 Matching Module Dimensions Positioning Details Section "A" (DRAM Key Indicators) IC-438-2-*-** 0 1.60 - 0.1 R - 0.8 127.35 1.00 DRAM SDRAM UDRAM 2-R 1.00 IC-438-*-2-** 0 1.60 - 0.1 no indication B-4 Test & Burn-In IC-438-*-3-** 1.00 3.3V 1.27 17.78 2 - 6.35 IC-438-*-4-** 11.43 36.83 8.89 43.18 1.00 5V Sec. "B" 2-2.00 Section "B" (Voltage Key Indicators) IC-438-*-1-** 2-R 2.00 Component area Sec. "A" 2.54 25.40±0.13 4.00 1.00 133.35±0.13 IC-438-3-*-** R - 0.8 3.00 IC-438-1-*-** less than 3.3V SPECIFICATIONS ARE SUBJECT TO ALTERATION WITHOUT PRIOR NOTICE – DIMENSIONS IN MILLIMETER 54.61 1.27