Intel rivals Taiwan Semiconductor Manufacturing Co and Broadcom are reportedly exploring potential deals that could split the storied American chip giant.

TSMC's announcement comes as chip-maker Intel, which has struggled for years with declining sales and lost market share, has been seeking customers for its own factories in the US.

Shares of semiconductor company Broadcom (NASDAQ: AVGO) were tumbling today after it was reported that the company is testing out Intel's manufacturing chip process. Broadcom designs its chips, but doesn't manufacture them.

TSMC is planning three chip factories in Arizona, and now three more. The investment volume is set to rise from 65 billion to 165 billion dollars.

NVIDIA and Broadcom are running manufacturing tests with Intel and its new 18A process node, with AMD still thinking about using Intel's 18A process.

Chip designers Nvidia and Broadcom are running manufacturing tests with Intel , two sources familiar with the matter told Reuters, demonstrating early confidence in the struggling company's advanced production techniques.

Read more about Taiwan-based TSMC's plans to invest $100 billion more in its semiconductor manufacturing operations in Arizona to advance AI efforts.

Intel is testing its last shot at redemption. Nvidia and Broadcom are interested--but will they actually commit?

Intel is making strides in its bid to become a true player in the contract chip manufacturing business. Sources familiar with the matter told Reuters that

Nvidia and Broadcom are testing Intel’s 18A chips and could end up spending hundreds of millions of dollars to them for manufacturing contracts.