NUMBER

GS-20-094

TYPE

APPLICATION SPECIFCATION

TITLE

PAGE

REVISION

7 of 23

B

AUTHORIZED BY

DATE

ZipLine

M. Gray

2009-10-05

CLASSIFICATION

UNRESTRICTED

Copyright 2006 FCI

4.8.

FLEXIBLE SIGNAL IMLA LOADING

Each column of a ZipLine™ connector is comprised of one Insert Molded Leadframe Assembly (IMLA). IMLA’s

may be configured to transmit either signal or power (see section 4.9 for information on power IMLA’s). For

vertical headers, signal IMLA’s may have tails in line for standard backpanel applications or they may have

jogged tails for shared via orthogonal midplane applications. Because all ZipLine™ vertical headers use the

same housing, it is possible to load a mix of standard backpanel signal IMLA’s and shared hole midplane

orthogonal signal IMLA’s in the same assembly. Also, a standard backpanel connector can have every other

column loaded to achieve a connector that is capable of routing 3 pairs of differential traces per column. For a 6

pair, 3.6mm pitch, 6 column configuration all pairs can be routed on 2 layers (see section 5.5 for a routing

example).

Since all signal header IMLA’s have the same mating interface design, the mating receptacle simply has to be

loaded with IMLA’s in the same columns as the mating header. See below for two examples of flexible signal

IMLA loading:

Form E-3334

Rev F

GS-01-001

6 orthogonal IMLA’s on 3.6mm pitch

4 backpanel IMLA’s on 1.8mm pitch +

4 orthogonal IMLA’s on 3.6mm pitch

Figure 7: Examples of possible IMLA loading patterns

PDM: Rev:B

Released

.

STATUS:

Printed: Nov 28, 2010