Group and Ungroup Devices

Groups and ungroups the selected devices. The relative positions of the grouped devices are always maintained. Grouped devices can be in the same or different rows. Devices in a group are abutted horizontally.

You can merge two or more device groups by selecting the groups and then selecting Group from the context menu.

Taller

Stacks the selected devices vertically. This option is applicable only to grouped devices.

The following example shows the effect of applying Taller to a horizontal group of devices.

Wider

Reshapes the selected devices horizontally to be wider. This option is applicable only to grouped devices.

Spread Any

Moves existing devices in any direction to avoid overlaps. This option is applicable when you move a device to a position where there is another (overlapping) device. The device that you moved is placed at the new location, while the existing device is moved to avoid overlap. An arrow indicating the direction of movement is displayed.

Spread X

Moves existing devices in the X-direction to avoid overlaps. This option is applicable when you move a device to a position where there is another (overlapping) device. The device that you moved is placed at the new location, while the existing device is moved to avoid overlaps.

An info balloon that summarizes the following information is displayed:

• Total wire length
• Change in wire length
• Row to which the device has snapped
• Snap pattern to which the device has snapped

Edit Group

Displays the Array Assistant. Use the options in the form to create and edit Modgens. For more information, see Automatic Generation of Modgens using the Array Assistant.

Insert Row Above

Inserts a blank row above the selection. This option is available only when row regions are generated and not when a diffusion grid is generated.

Insert Row Below

Inserts a blank row below the selection. This option is available only when row regions are generated and not when a diffusion grid is generated.

Delete Row Above

Deletes the row above the selection.

The delete row commands do not check whether the rows to be deleted are non-empty rows or whether the deletion would result in any device overlaps.

Delete Row Below

Deletes the row below the selection.

Create FGR

Opens the Create Guard Ring form that lets you create a fluid guard ring (FGR).

Create Fill and AGR

Opens the Fill and GR form, which lets you add fill and guard rings at the same time.

This option is available only in certain advanced node flows.