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daleste
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re: Ramtron hurt by IBM foundry delays
daleste   2/24/2011 2:38:36 PM
NO RATINGS
Fabless companies are often at the mercy of the foundaries, but when you have a customized process, it is very difficult to bring it up in a fab. It can result in many issues that will delay a startup of manufacturing. That is just a fact of life. It is unproductive to point blame at your supplier. You have to own the project and lead the supplier to where you need them.

brightfiber
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re: Ramtron hurt by IBM foundry delays
brightfiber   2/24/2011 3:34:20 AM
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I am somewhat familiar with what it took to qual the Ramtron units on the 130nm process at TI. TI spent around ten years to doggedly beach that queer Ramtron FRAM whale, and the device process technology is nuanced to put it mildly. IBM ought to think of simply licensing the TI process technology and get their pain over with quickly. The capacitor stack formation and etch is a technology ballet.

goafrit
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re: Ramtron hurt by IBM foundry delays
goafrit   2/24/2011 12:35:58 AM
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Wow. This is IBM being flogged by a small firm like this. Why all these details from this firm on IBM. Very surprising!



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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