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Table <strong>13</strong>.17 Continued<br />
Media bit cell length (nm) <strong>13</strong>3.3 146.7<br />
Media byte length (um) 1.07 1.17<br />
Media sector length (mm) 5.16 5.68<br />
Pit width (um) 0.40 0.40<br />
Pit depth (um) 0.105 0.105<br />
Min. nominal pit length (um) 0.40 0.44<br />
Max. nominal pit length (um) 1.87 2.05<br />
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Lead-in inner radius (mm) 22 22<br />
Data zone inner radius (mm) 24 24<br />
Data zone outer radius (mm) 58 58<br />
Lead-out outer radius (mm) 58.5 58.5<br />
Data zone width (mm) 34 34<br />
Data zone area (mm2) 8,759 8,759<br />
Total track area width (mm) 36.5 36.5<br />
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Max. rotating speed 1x CLV (rpm) 1,515 1,667<br />
Min. rotating speed 1x CLV (rpm) 570 627<br />
Track revolutions (data zone) 45,946 45,946<br />
Track revolutions (total) 49,324 49,324<br />
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Data zone sectors per layer per side 2,292,897 2,083,909<br />
Sectors per second 676 676<br />
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Media data rate (mbits/sec) 26.15625 26.15625<br />
Media bits per sector 38,688 38,688<br />
Media bytes per sector 4,836 4,836<br />
Interface data Rate (mbits/sec) 11.08 11.08<br />
Interface data bits per sector 16,384 16,384<br />
Interface data bytes per sector 2,048 2,048<br />
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Track time per layer (minutes) 56.52 51.37<br />
Track time per side (minutes) 56.52 102.74<br />
MPEG-2 video per layer (minutes) <strong>13</strong>3 121<br />
MPEG-2 video per side (minutes) <strong>13</strong>3 242<br />
DVD Chapter <strong>13</strong> 723<br />
B = Byte (8 bits) mm2 = square millimeters<br />
KB = Kilobyte (1,000 bytes) um = micrometers = microns (millionths of a meter)<br />
KiB = Kibibyte (1,024 bytes) nm = nanometers (billionths of a meter)<br />
MB = Megabyte (1,000,000 bytes) rpm = revolutions per minute<br />
MiB = Mebibyte (1,048,576 bytes) ECC = Error correction code<br />
GB = Gigabyte (1,000,000,000 bytes) EDC = Error detection code<br />
GiB = Gibibyte (1,073,741,824 bytes) CLV = Constant linear velocity<br />
m = meters<br />
mm = millimeters (thousandths of a meter)<br />
CAV = Constant angular velocity<br />
As you can see from the information in Table <strong>13</strong>.17, the spiral track is divided into sectors that are<br />
stored at the rate of 676 sectors per second. Each sector contains 2,048 bytes of data.
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