MC-4R256CEE6B Datasheet, PDF (14/16 Pages) NEC – Direct Rambus DRAM RIMM Module 256M-BYTE 128M-WORD x 16-BIT

MC-4R256CEE6B, 4R256CEE6C
5 [MC-4R256CEE6B, MC-4R256CEE6C]
184 EDGE CONNECTOR PADS RIMM (SOCKET TYPE)
,,,,,, ^A
,,,,,,,,,,,,,,,,,,,,,,,,,,,, ^{Pad A1}
C
B
E
C
Pad A92 ^G
F
D
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 for 1.25" RIMM Module
31.62 31.75 31.88
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
-
7.55
mm
14
Preliminary Data Sheet M14541EJ1V1DS00