Teradyne Inc (TER) Q4 2018 Earnings Conference Call Transcript
Richard Eastman -- Baird -- Analyst
Okay.
Mark E. Jagiela -- Chief Executive Officer and President
So that's a significant part of that reduction. The automotive and linear I think are going to be pretty -- from what I can tell today, linear could be off of this sort of all-time high it was in 2018, but not much. It may be certainly 10% or less is what it would look like in the model. And automotive look still pretty healthy, so flattish. So that leaves other areas such as PC-related, GPU, cloud-related things and that should be down in that sort of 10%, 15%, 20% range. So when we add those up, because of the $200 million-ish drop in mobility, because of these one-time effects, that's how you get to the TAM.
Richard Eastman -- Baird -- Analyst
I see. Okay, OK. That's really helpful. And then just one last question around the IA business. What do acquisition prospects look like there? Is there still a healthy pipeline, and do they slant software or maybe just characterize that a little bit perhaps, Greg.
Gregory R. Beecher -- Chief Financial Officer
It's a incredibly healthy pipeline. This is a space where there's many start-ups. It's a whole new greenfield, so there's next-generation technology. There's a number of software players. It's hard to synthesize precisely what's out there. But what we see is, companies that can fit with our next-generation automation that is automating tedious task and there's other pieces that could fit into our portfolio. But I'll add, there's nothing we need and what I'm really excited about is in some of our products. You take MiR this year, MiR has expanded into the MiR500, so they've expanded their product line into heavier payload. They've also expanded into hospitals.
Now the more we can take our existing products and get into new markets or submarkets, that's probably the highest ROI. But there very well may be some other nice pieces, another Energid is possible. The path planning should open up bin picking. That's more of an emerging technology that no one else had. Vision was available. We weren't going into the vision.
So there's other -- it's a little bit of a chess game. There's other pieces that may be possible that we buy them and accelerate them or we just work with them as a partner. There's a lot of that work going on our BDL group to try to figure out what's the next best chess move to make.
Richard Eastman -- Baird -- Analyst
And mostly, again, from your comments this is around expanding applications a little bit more software, there's not a lot of hardware that you're really looking at?
Gregory R. Beecher -- Chief Financial Officer
Correct.
Richard Eastman -- Baird -- Analyst
Okay. Thank you and best of luck, Greg. Thank you.
Gregory R. Beecher -- Chief Financial Officer
Thank you very much.
Operator
Your next question comes from the line of Toshiya Hari with Goldman Sachs. Your line is open.
Toshiya Hari -- Goldman Sachs -- Analyst
Great. Thanks so much for taking the question. I had a follow-up question on your analog test business. Mark, you talked about the upside you saw in Q4 and the strength you saw throughout 2018 as it relates to Eagle Test. How should we reconcile that commentary with some of the trends that your customers are speaking to in terms of weakness in the near term? Is it the complexity kind of dynamic offsetting the weakness or is it timing or is it a little bit of both? How should we think about that?
Mark E. Jagiela -- Chief Executive Officer and President
I think it's timing. In terms of the recent commentary, the effects of that -- to the magnitude and the effects of that would be, we're probably still three months away. But in 2018, the unit and complexity growth both were very encouraging. And things like unit growth could tempered here, complexity growth I don't think is abating whatsoever. So the recent quarterly announcements from some of the key analog players if in fact was in effect that we're going to feel from that is probably yet to be -- it's probably in second quarter.
Toshiya Hari -- Goldman Sachs -- Analyst
Got it. And then my follow-up was on long-term gross margins. You guys came in at 58% in 2018. You're guiding long-term gross margins, I guess, kind of stay where they are today in the 57%, 58% range. It feels like you guys continue to make progress in terms of improving gross margins at UR. You talked about, I guess, outside of MiR. I think LitePoint, which has a nice trajectory historically has had very nice gross margins when things were good. So I guess the question is, is 57% to 58% more of a conservative target or are there kind of minuses that I'm not aware of? Thank you.
Mark E. Jagiela -- Chief Executive Officer and President
There are minuses right now that we have in mind. There is, I'll say there's more new accounts in Semi Test around AI that is a whole new battlefield that'll jump off. But I think what I had in mind when I put those numbers in is, in Universal Robots, there's going to be very large customers buying cobots in some volume, and I expect when that happens there'll be better competition we'll be up against. And we'll be competing for kind of the design in for the next 100, 500 or some higher number of cobots. And that's what I'm thinking that while we'll get material cost down, some of it will be diminished by some of the large account negotiations.
Toshiya Hari -- Goldman Sachs -- Analyst
Got it. Thank you.
Andrew J. Blanchard -- Vice President of Investor Relations
And operator, we can sneak in just one last question please.
Operator
Your last question comes from the line of Thomas Diffley with D.A. Davidson. Your line is open.
Thomas Diffley -- D.A. Davidson -- Analyst
Yes. Good morning. I like to ask one more question on the memory side. I guess in general, what percentage of the DRAM test market is high speed maker today? And it sounds like speed has gone up across-the-board to become a bigger part of that market going forward. So just your views on the high speed part of DRAM?
Gregory R. Beecher -- Chief Financial Officer
It does shift year-to-year quite a bit depending on the pricing of the commodities, our memory manufacturers going to shift investments toward NAND or for toward DRAM. But I would say as a general rule of thumb, the final test of DRAM is about 20-ish percent of the overall Memory Test market.
Thomas Diffley -- D.A. Davidson -- Analyst
And then the high-speed portion of that versus commodity DRAM?
Mark E. Jagiela -- Chief Executive Officer and President
Most of it in terms of new investment is high speed. For sort of commodity old-school DRAM, there's not a lot of capacity expansion. Old-generation equipment can sort of be waterfall back there. So anything being bought tends to be for high speed.
Thomas Diffley -- D.A. Davidson -- Analyst
Okay, great. And then finally when you look at the NAND market or I should say the hybrid market with things like cross-point, what type of tester do you need for that market and is that changing over time as well?
Mark E. Jagiela -- Chief Executive Officer and President
I'd say, one of the things we've seen in memories and flash, especially and sort of derivatives of flash is a lot of diversity in the protocols of I/O. The internal sales structure and such aren't significant in the impact to the tester but the I/O protocols are. And the products that we've developed for flash, the thing that's allowed them to be so successful is how quickly we can adapt them for these higher and higher-speed emerging protocols, so that applies not to the cross-point type products and all these products.
Thomas Diffley -- D.A. Davidson -- Analyst
Okay. Thank you.
Mark E. Jagiela -- Chief Executive Officer and President
All right, well, great. Thanks everybody and we look forward to talking to you in the days and weeks ahead. This concludes the call.
Operator
This concludes today's conference call. You may now disconnect.
Duration: 62 minutes
Call participants:
Andrew J. Blanchard -- Vice President of Investor Relations
Mark E. Jagiela -- Chief Executive Officer and President
Gregory R. Beecher -- Chief Financial Officer
Vivek Arya -- Bank of America Merrill Lynch -- Analyst
Timothy Arcuri -- UBS -- Analyst
John Pitzer -- Credit Suisse -- Analyst
Mehdi Hosseini -- SIG -- Analyst
C. J. Muse -- Evercore -- Analyst
Atif Malik -- Citi -- Analyst
Brian Chin -- Stifel -- Analyst
Krish Sankar -- Cowen -- Analyst
Richard Eastman -- Baird -- Analyst
Toshiya Hari -- Goldman Sachs -- Analyst
Thomas Diffley -- D.A. Davidson -- Analyst
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