MC-4R256FKE6D-840 Datasheet, PDF (12/14 Pages) Elpida Memory – Direct Rambus DRAM RIMM Module 256M-BYTE (128M-WORD x 16-BIT)

MC-4R256FKE6D-840
184 EDGE CONNECTOR PADS RIMM (SOCKET TYPE) (2/2)
A
Pad A1
C
D
B
E
F
C
Pad A92 ^G
H
ITEM
A
B
C
D
E
F
G
H
DESCRIPTION
PCB length
MIN. TYP. MAX.
133.22 133.35 133.48
UNIT
mm
PCB height
34.795 34.925 35.055 mm
Center-center pad width from pad A1 to A46,
A47 to A92, B1 to B46 or B47 to B92
Spacing from PCB left edge to connector key notch
44.95 45.00 45.05
mm
-
55.175
-
mm
Spacing from contact pad PCB edge
to side edge retainer notch
PCB thickness
-
17.78
-
mm
1.17 1.27 1.37
mm
Heat spreader thickness from PCB surface (one side) to
-
heat spreader top surface
RIMM thickness
-
-
3.09
mm
-
4.46
mm
ECA-TS2-0013-02
12
Data Sheet E0262N10 (Ver. 1.0)