SC2200 NSC [National Semiconductor], SC2200 Datasheet - Page 410

• Manufacturer Part Number: SC2200
• Description: Thin Client On a Chip
• Manufacturer: NSC [National Semiconductor]

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Electrical Specifications
Full Speed: 4 to 20 ns at C
Low Speed: 75 ns at C
Data Lines
Differential
t
t
period_F
period_L
Figure 8-38. Source Differential Data Jitter Timing Diagram
L
Figure 8-37. Data Signal Rise and Fall Timing Diagram
= 50 pF, 300 ns at C
L
= 50 pF
Consecutive Transitions
N*t
N*t
N*t
(Continued)
period
period_L
period_L
C
C
L
L
_
F
+ t
+ t
+ t
USB_DJD21
USB_DJU21
USB_DJ11
L
= 350 pF
Differential
Data Lines
t
t
t
Paired Transitions
USB_DJ11
USB_DJD21
USB_DJU21
N*t
N*t
N*t
period_F
period_L
period_L
410
+ t
+ t
+ t
Crossover Points
USB_DJD22
USB_DJU22
USB_DJ12
(1.3-2.0) V
10%
Rise Time
t
USB_R1,2
90%
90%
t
t
t
USB_DJ12
USB_DJD22
USB_DJU22
Fall Time
t
USB_F1,2
10%
Revision 3.0