When it comes to the semiconductor sector, why does the market obsess about Nvidia  (NVDA) ? That was the question that had Jim Cramer scratching his head on Tuesday's episode of "Mad Money," as he called the market's focus on this single chip maker "repulsive."

As the most recent Consumer Electronics Show just proved, there is a lot of really important technology that relies on chips not made by Nvidia, a stock that rallied 220% in 2016.

Chips from Texas Instruments (TXN) are built into a lot of devices that matter, Cramer said, and if investors want autonomous vehicles, they should be looking at Analog Devices (ADI) .

Nvidia may be No. 1 in gaming, but investors are missing out on the run in Advanced Micro Devices (AMD) , the No. 2 player in the space. And let's not forget about Broadcom (AVGO) , which makes the next generation of communications chips that all of our next devices and gadget will be using.

Cramer also gave a nod to Micron Technology  (MU) , saying that sure, Micron is boom or bust, but when it booms, it really booms.

So, too, with Western Digital (WDC) , which has diversified into a premiere chip maker that also shouldn't be overlooked.

Cramer said its foolish to ignore the strong businesses at all of these chip makers.

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At the time of publication, Cramer's Action Alerts PLUS had no position in stocks mentioned.

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