IC-438-1-1-MF Datasheet, PDF (1/1 Pages) Yamaichi Electronics Co., Ltd. – Dual InlineMemoryModule (DIMM, 168 pins)

IC438 Series
Dual Inline Memory Module (DIMM, 168 pins)
Specifications
Part Number (Details)
Insulation Resistance:
1,000MW min. at 500V DC
Dielectric Withstanding Voltage: 700V AC for 1 minute
Contact Resistance:
30mW 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
Housing: Polyetherimide (PEI), glass-filled
Contacts: Beryllium Copper (BeCu)
Positioning
Detail 2
(see Section "B")
Plating: Gold over Nickel
Features
MF = Flanged
Unmarked = Not Flanged
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
1.27±0.1
1.27x9=11.43 ±0.2
6.35±0.2
1.27x29=
36.83 ±0.2
1.27x43=54.61 ±0.2
6.35±0.2
133.55
+
0.2
0
(128.00)
Sec. "A"
Sec. "B"
w0.40 x t0.30
Recommended PC Board Layout
Top View from Socket
1.27x9=11.43 ±0.1
54.61±0.1
162.70±0.1
1.27x29=36.83 ±0.1
1.27x43=54.61 ±0.1
(6.35)
6.35±0.05
1.27±0.05
Æ3.20
+ 0.1
0
168-Æ0.80
+
0.1
0
Positioning Details
Section "A" (DRAM Key Indicators)
IC-438-1-*-**
0
1.60 - 0.1
IC-438-2-*-**
R - 0.8
1.00
Matching Module Dimensions
IC-438-3-*-**
R - 0.8
1.00
133.35±0.13
127.35
2-R 1.00
2-R 2.00
Component area
Sec. "A"
Sec. "B"
DRAM
SDRAM
UDRAM
Section "B" (Voltage Key Indicators)
IC-438-*-1-** IC-438-*-2-**
0
1.60 - 0.1
IC-438-*-3-**
1.00
IC-438-*-4-**
1.00
11.43
8.89
36.83
43.18
2-2.00
1.27
2 - 6.35
54.61
1.27
no indication
B-4 Test & Burn-In
3.3V
5V
less than 3.3V
SPECIFICATIONS ARE SUBJECT TO ALTERATION WITHOUT PRIOR NOTICE – DIMENSIONS IN MILLIMETER