NEC ND-1300A General Specification page 5

2.0 PERFORMANCE AND FUNCTIONAL REQUIREMENTS
2.1 GENERAL
The performance and functionality of the DVD/CD rewritable drive system is determined in part by the world-wide
standards. It is the intention of this document to adhere to these standards unless otherwise specifically noted. A
summary of these standard specifications are presented here for reference purposes only. Refer to the applicable
documents for additional detail.
2.2 SUMMARY OF STANDARD PERFORMANCE
2.2.1 DVD medium
USER DATA CAPACITY*
(1 GBytes = 1024 x 1024 x 1024)
USER DATA/BLOCK (Excluding sync, header, and ECC bytes)
ADDRESS DESCRIPTION
RECORDING SURFACES
RECORDING LAYER
DISC DIAMETER
DISC CENTER HOLE
THICKNESS
TRACK PITCH
SCANNING VELOCITY
ROTATION SPEED
2.2.2 CD medium
The following specification marked with an * is a calculated and practical maximum figure based on a 1.6um track
pitch.
USER DATA CAPACITY*
(1 MBytes = 1024 x 1024 )
RECORDING/PLAYING TIME
NUMBER OF BLOCKS/DISC*
USER DATA/BLOCK (Excluding sync, header, subheader, and ECC bytes)
ADDRESS DESCRIPTION
BLOCK RATE
AUDIO
PLAYING TIME*
4.7GBytes,
8.54GBytes,
1.46Gbytes,
2.66Gbytes,
Block
2
Single or Dual
120 mm or 80 mm
15 mm diameter
1.2 mm
0.74 microns , typical
3.49 meters/sec , Single layer(Normal Speed)
3.84 meters/sec , Dual layer(Normal Speed)
Varies over radius.
~1388 to 574 rpm (Normal Speed). Variable
656MBytes, Mode 1
748MBytes, Mode 2
74 minutes and 42 seconds
336,150
2048 Bytes, Mode 1 and Mode 2 Form 1
2336 Bytes, Mode 2
2328 Bytes, Mode 2 Form 2
Min.,Sec.,Block
1275 ~ 3000 Blocks/Sec.,
(Seventeen-times (17x)~Fourty-times(40x) Speed: 17-40xCAV)
74 minutes and 42 seconds
Single layer 12cm
Dual layer 12cm
Single layer 8cm
Dual layer 8cm
2048Bytes