Yamaichi IC-438-3-1-MF Dual inlinememorymodule (dimm, 168 pins) Datasheet

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
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