Mixed-Signal Integration

Section goal

Floorplan keepouts, guard rings, substrate control, and PV/DRC/LVS considerations for mixed-signal SoC integration.

How to study this section

1. Start with topic hubs to learn contract and ownership.

2. Use mechanism and reports pages to map symptoms to root causes.

3. Use debug and worked-example pages for war-room practice.

4. Close with checklist and PPA pages before signing any change.

Topics

1. ams-floorplan-keepouts/ — AMS Floorplan Keepouts

2. guard-rings-substrate/ — Guard Rings & Substrate Control

3. abutment-rules/ — Abutment Rules

4. mixed-signal-pv/ — Mixed-Signal Physical Verification

Related topics

• AMS course hub

AMS deep dive

Physical proximity and boundary rules are functional constraints in AMS SoCs.

Concept diagram

INTEGRATION FLOW

floorplan keepouts -> guard strategy -> abutment policy -> PV signoff

Metric graph

INTEGRATION ESCAPES

layout boundary issues ███████
waiver drift           ████

Reports and artifacts

• keepout violations

• guard-ring checks

• abutment DRC

• mixed-signal PV dashboard

Mini case study

Late macro move violated quiet-zone assumptions and caused intermittent converter noise excursions.

Debug branches

• Review macro adjacency

• Re-check guard assumptions

• Re-run PV with correct deck variant

Senior review question

Ask: what boundary condition proves this topic is actually closed?