IC438 Series
Specifications
Dual Inline Memory Module (DIMM, 168 pins)
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") Positioning Detail 2 (see Section "B") MF = Flanged Unmarked = Not Flanged
Materials and Finish
Housing: Polyetherimide (PEI), glass-filled Contacts: Beryllium Copper (BeCu) Plating: Gold over Nickel
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
153.70±0.4 43.18±0.1
Recommended PC Board Layout
Top View from Socket
17.0
162.70±0.1 1.27±0.1 1.27x9=11.43 ±0.2 6.35±0.2 133.55 1.27x29= 36.83 ±0.2 1.27x29=36.83 ±0.1 1.27x43=54.61 ±0.2 6.35±0.2 1.27x9=11.43 ±0.1
+ 0.2 0
54.61±0.1
1.27x43=54.61 ±0.1
(6.35)
6.35±0.05
1.27±0.05
(128.00) Sec. "A" Sec. "B"
15.48±0.1
34.10
8.28±0.05
5.08±0.05
Æ3.20
+ 0.1 0
168-Æ0.80
+ 0.1 0
3.70±0.5
w0.40 x t0.30
Positioning Details
Section "A" (DRAM Key Indicators)
IC-438-1-*-**
1.60 - 0.1
0
Matching Module Dimensions
IC-438-2-*-**
R - 0.8 1.00
IC-438-3-*-**
R - 0.8 1.00
133.35±0.13 127.35
4.00
2-R 1.00
Component area
2-R 2.00
25.40±0.13
2.54
Section "B" (Voltage Key Indicators)
IC-438-*-1-** IC-438-*-2-**
0 1.60 - 0.1
2 - 6.35
IC-438-*-3-**
1.00
IC-438-*-4-**
1.00
11.43 8.89
36.83 43.18
54.61
1.27
no indication
3.3V
5V
less than 3.3V
B-4
Test & Burn-In
SPECIFICATIONS ARE SUBJECT TO ALTERATION WITHOUT PRIOR NOTICE – DIMENSIONS IN MILLIMETER
3.00
DRAM
SDRAM
UDRAM
17.78
Sec. "A"
Sec. "B"
2-2.00
1.27
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