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To: Amy J who wrote (137178)6/12/2001 1:00:20 AM
From: Paul Engel  Read Replies (2) | Respond to of 186894
 
Amy - re: "how long does it take to manufacture chips? I seem to recall you saying it takes a month or two? "

That all depends on the manufacturer and a zillion variables.

In Intel's case, the time for wafer processing was about 6 to 8 weeks - from Wafer Start to Wafer out.

Next, the wafers need to be "sorted" - that is, each die site on the wafer is tested for DC parametrics and functionality. Bad devices are are identified at this stage. Sort can take several days to a week or more.

Following this, the sorted wafers are sent to assembly - generally off-shore (usually air-freight) - and this operation can be 2 to 4 weeks - depending on "loading" of the assembly house, prioritization, etc.

Following assembly, the completed device/module will undergo final testing - in a handler that heast the component up to high temperature (80 - 110 Deg. C) and a full functional test, AC and DC parametric testing, and speed testing is performed. This testing is quick ( several minutes/device) but the overall time consumed may be days - sometimes a week or more - again, depending upon factory loading.

Finally, marking and packing and shipping must be performed.

All-in-all, three months - start to finish - is quite typical. Variations of a few weeks in either direction are possible.

Your problem of a device being out of stock and on allocation seems quite unusual for the current econmic climate. What type of device is it ?

Paul



To: Amy J who wrote (137178)6/12/2001 2:28:42 AM
From: Jim McMannis  Respond to of 186894
 
RE:"One of our suppliers ran out of chips, the disty missed the delivery date, and now it's on allocation and their revised timeline for another shipment won't work for us. "

Because of demand or some other problems? What type of chips? I ask because this may be a sign things are perking up.

Jim