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Politics : Formerly About Advanced Micro Devices
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To: Petz who wrote (31387)4/8/1998 1:58:00 AM
From: Maxwell  Read Replies (1) of 1571462
 
John:

Let's do some simple arithematic

# of possible dice/8" wafer
350 dice/wfr for 0.25um K6
293 dice/wfr for 0.25um K6-3D (ratio of 68mm^2/81mm^2)
FOR K6
Wafer Out 30% Yield 40% Yield 50% Yield 60% Yield 70% Yield
(per week) 105 d/wfr 140 d/wfr 175 d/wfr 210 d/wfr 245 d/wfr

3000 wfrs 315000 420000 525000 630000 735000
( 1 WEEK OF PRODUCTION)

3780000 5040000 6300000 7560000 8820000
(12 WEEKS OF PRODUCTION)

4000 wfrs 420000 560000 700000 840000 980000
( 1 WEEK OF PRODUCTION)

5040000 6720000 8400000 10080000 11760000
( 12 WEEKS OF PRODUCTION)

K6-3D
Wafer Out 30% Yield 40% Yield 50% Yield 60% Yield 70% Yield
(per week) 88 117 147 176 205

3000wfrs 263700 351600 439500 527400 615300
( 1 WEEK OF PRODUCTION)

3164400 4219200 5274000 6328800 7383600
( 12 WEEKS OF PRODUCTION)

4000wfrs 351600 468800 586000 703200 820400 ( 1 WEEK OF PRODUCTION)

4219200 5625600 7032000 8438400 9844800
( 12 WEEKS OF PRODUCTION)

Everything depends on yield. At 50% yield AMD FAB25 should make alot of K6.

Maxwell
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