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The ams brand, owned by ams AG, the OSRAM brand, owned by OSRAM GmbH, are separately registered trademarks.

ams developed its well-recognized product development flow based on its experience of more than 30 years of designing analog and mixed signal circuits. This flow ensures highest predictability in schedule and cost.

Text Anchor: #preproject


2 to 10 weeks



  • Customer submits a request for quotation (RFQ)
  • ams prepares a technical proposal and a commercial quotation
  • The basis for engineering quote describes the technical solution.
    Typically the basis for engineering (BFQ) quote includes: block diagram, key specifications, operating conditions, pin-out, proposed package type and many more
  • Discussions, clarifications and alignment on technical details, followed by an updated quote
  • Customer issues a purchase order 


ams initiates the project upon receipt of purchase order.



Text Anchor: #design


20 to 50 weeks



  • Cell design, layout and simulation
  • Top level design and verification
  • Top level layout and preparation for PG (pattern generation) tape-out
  • Internal design challenge (internal design review with experts)
  • Design reviews with the customer
  • Test specification development
  • Evaluation preparation (evaluation plan development)



  • Customer approves device specification
  • Customer approves development after design review
  • PG tape-out

Text Anchor: #producttransfer

Product Transfer

8 to 16 weeks



  • Completion of production test development
  • ESD and latch-up test
  • Dedicated qualification tests as defined in the device specification (e.g. HTOL testing)
  • C-sample temperature characterization
  • C-sample preparation and shipment to the customer
  • Customer verifies C-samples



  • C-sample shipment
  • C-sample approval by the customer


With C-sample approval, the product is formally released for mass production. C-sample approval allows the customer to place first production orders.*

(* for Automotive parts this is only valid after PPAP)

Text Anchor: #projectplanning

Project Planning

2 to 4 weeks



  • Joint development of device specification (ams & customer)
  • ASIC system design including assessment for
    • Production test
    • ESD protection
    • Manufacturability
    • Qualification concept
    • Packaging
  • Detailed project planning and project set up (e.g. resourcing..)



  • Order entry (project start)
  • Device specification approval by the customer


Text Anchor: #designverification

Design verfication

4 to 8 weeks



  • Mask and Wafer manufacturing and B-sample assembly
  • Lab evaluation, preparation and B-sample evaluation at ams
  • B-sample verification by the customer
  • Production test development
  • Correlation between lab results and preliminary production test results



  • B-sample shipment
  • B-sample approval by the customer



Text Anchor: #productrampup

Product Ramp-up

approx. 6 months



  • First production lots are evaluated in detail 
  • Corner run manufacturing and characterization
  • Test program optimization
  • Test time and coverage are optimized
  • Dynamic part average tests are defined (e.g. automotive)


Formal project transfer from the engineering to the operations department. Unlimited volume production.