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DEEP RESEARCH · ADTECHNOLOGY

ADTechnology and Siemens: Strategic Meaning of the ASIC Development Contract

Why a 2023 contract was disclosed in November 2025, and what it could mean for backlog and mass-production revenue.

Published: 2025-12-09 · Semiconductor/foundry deep dive · Naver Blog source

Investment decisions are your responsibility. This material is research and is not a recommendation to buy or sell.

0. Bottom line first

My read is that this was not simply a late disclosure. The source argues that the development scope expanded, the contract value increased, and the deal crossed the mandatory disclosure threshold. That points to project scale-up after technical validation.

Disclosure image for the ADTechnology and Siemens Industry Software ASIC development contract

Official fact: Based on the disclosure image, the counterparty is Siemens Industry Software Inc., the contract scope is ASIC development, and the contract period runs from August 31, 2023 to November 30, 2026, or 39 months.

Interpretation: Using ADTechnology's 2024 consolidated sales of about KRW 106.5bn, the 10% single-sales/supply disclosure threshold is about KRW 10.6bn. The source reconstructs the event as a scope change that pushed the total contract value above the threshold.

Why the disclosure appeared in 2025A 2023 contract becoming material
2023.08Initial contract
DevelopmentPoC and design validation
Scope expansionDetailed design, MPW, masks
2025.1110% threshold crossed
The important point is not the disclosure date itself but the change in project quality and mass-production potential.

1. Disclosure facts and technical difficulty

  • Counterparty: Siemens Industry Software Inc., the digital-industry software arm including former Mentor Graphics.
  • Contract type: ASIC development, or NRE.
  • Contract period: August 31, 2023 to November 30, 2026, totaling 39 months.
  • Payment terms: the source assumes progress billing or milestone-based payments.

Compared with a typical 12-18 month legacy ASIC project, 39 months is long. The source reads this as evidence of advanced-node work, a complex industrial/communications SoC, and possibly a full-turnkey project including prototyping and long qualification.

2. Qualitative change in backlog

Stability

Higher conversion probability

A global enterprise like Siemens lowers project-cancellation risk and raises the probability that backlog converts into revenue.

Visibility

Longer revenue base

A multi-year contract can lift the baseline for quarterly NRE revenue. The source connects it to a possible development-sales jump from KRW 31.6bn in 3Q to KRW 48.0bn in 4Q 2025.

Scalability

Follow-on opportunity

Success could open doors to Siemens healthcare, mobility, and other group projects.

The source estimates ordinary 14nm industrial SoC full-turnkey NRE at KRW 10-20bn, and KRW 30-50bn when customized IP and long validation for a large customer are included. Its recognition scenario is KRW 3-5bn in 2023, KRW 9-15bn in 2024, KRW 12-20bn in 2025, and KRW 6-10bn in 2026.

3. Project lifecycle

PeriodPhaseActivitiesBacklog recognition
2023.08-2024.02Architecture definitionPPA targets, Samsung 14nm PDK review, key IP selectionInitial payment recognized
2024.03-2025.06RTL design and verificationLogic design, functional verification, emulationProgress billing
2025.07-2025.12Physical implementationSynthesis, P&R, timing closurePeak revenue recognition
2026.01-2026.06Tape-out and prototypeGDS delivery, MPW/shuttle prototype waferMilestone revenue
2026.07-2026.11Qualification and MP sign-offPackaging, board tests, reliability tests, mass-production contractDevelopment ends and mass-production backlog begins

4. Why Siemens, and why ADTechnology

The source treats Siemens as a company with semiconductor DNA, not just software. Siemens was the parent of Infineon, and Siemens DISW includes Mentor Graphics, acquired in 2017. Mentor is described alongside Synopsys and Cadence as a top-three EDA player.

  • Siemens Veloce hardware emulators use custom ASICs.
  • Simatic PLCs and industrial IoT gateways require communications chips.
  • The source frames Samsung Foundry as a possible second source amid TSMC bottlenecks and supply-chain diversification.
  • ADTechnology is interpreted as a partner that can reduce physical-design risk through Samsung Foundry PDK expertise and about 800 design engineers.

5. Scale estimate and end-market scenarios

Interpretation: The following figures are source-side simulations reverse-engineered from industry norms and a 2026 estimate. Actual contract terms may differ.

ItemSource assumption
ProcessSamsung Foundry 14LPP
Wafer300mm, 12-inch
Die size100mm² assumed
Yield85% initial mass-production yield for a mature node
2026 mass-production revenueKRW 19.5bn estimated
Annual wafer startsAbout 3,000 wafers, or 250 wafers per month
Total expected revenueAbout KRW 175-200bn over seven years
A

Industrial IoT or communication controller

The source sees this as the most likely scenario, tied to Simatic IoT gateways or Scalance industrial switches.

B

Hardware emulation

The chip could support the Veloce Hardware Emulator or related I/O control.

C

Medical equipment

Another scenario is an imaging signal-processing unit for Siemens Healthineers MRI or CT equipment.

6. Final monitoring points

  • Watch whether revenue recognition accelerates during the 2H 2025 physical implementation phase.
  • 2026 tape-out and prototype success are the bridge from development revenue to mass-production revenue.
  • A 39-month project carries risks from specification changes, engineering hurdles, and schedule delays.
  • A global manufacturing slowdown could reduce Siemens industrial-automation demand and mass-production volume.

7. Appendix: expected revenue-recognition model

YearQuarterMilestoneActivityEstimated recognized revenueNote
20233QKick-offContract, spec finalization, team setupKRW 1.0bnInitial payment
20234QArchitectureArchitecture design and IP selectionKRW 2.0bn-
20241Q-2QFront-end designRTL coding and functional verificationKRW 5.0bnEngineering ramp starts
20243Q-4QVerificationSimulation and emulationKRW 8.0bn-
20251Q-2QImplementationSynthesis and DFT insertionKRW 10.0bn-
20253Q-4QPhysical designP&R and timing closureKRW 15.0bnCurrent peak period
20261QTape-outFoundry data handoffKRW 5.0bnMilestone
20262QPrototypingPrototype wafer receipt and packagingKRW 3.0bn-
20263QQualificationReliability and system testsKRW 2.0bn-
20264QMass productionMP start+KRW 19.5bn/yearDevelopment ends, MP revenue begins