Synopsys 640-pin Generic Device Adapter Building the Daughterboard, Daughterboard Description

The ModelSource 640-pin Adapter Chapter 2: Building the Daughterboard

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Building the Daughterboard

This chapter describes the specifications you must meet when building the Daughterboard.

Daughterboard Description

Figure 1 shows the physical specifications of the Daughterboard from the component side. The Daughterboard is designed to have a footprint area in excess of 10” by 14”, allowing for a multi-chip DUT.

Following are descriptions of some of the items shown on the drawing. All connectors are to be installed from the far side.

●Guide pin holes: These are designed to mate with the guide pins on the Adapter to ensure correct orientation when attaching the Daughterboard to the Adapter.

●Board stiffeners: Four (two long and two short) are required around the perimeter of the Daughterboard to reinforce it. Fabrication drawings for compatible long and short stiffeners are provided in Figure 3 on page 15.

●Connectors J1-J6: These are to be installed from the far side, and are designed to mate with corresponding connectors on the Adapter. The location of Pin A1 of each connector is indicated on the drawing. Details of the connector pins are provided in text that follows.

November 2001 Synopsys, Inc. 11