AR0330 datasheet(28/77 Pages) ONSEMI

28 / 77 page

AR0330_DS Rev. U Pub. 4/15 EN

©Semiconductor Components Industries, LLC,2015.

AR0330: 1/3-Inch CMOS Digital Image Sensor

HiSPi Transmitter

(EQ 5)

V

CM = |VCM (1)-VCM (0) |

(EQ 6)

Both VOD and VCM are measured for all output channels. The worst case VOD is defined

as the largest difference in VOD between all channels regardless of logic level. And the

worst case VCM is similarly defined as the largest difference in VCM between all chan-

nels regardless of logic level.

Timing Definitions

1. Timing measurements are to be taken using the Square Wave test mode.

2. Rise and fall times are measured between 20% to 80% positions on the differential

waveform, as shown in Figure 10: “Single-Ended and Differential Signals,” on page 27.

3. Mean Clock-to-Data skew should be measured from the 0V crossing point on Clock to

the 0V crossing point on any Data channel regardless of edge, as shown in Figure 12

on page 28. This time is compared with the ideal Data transition point of 0.5UI with

the difference being the Clock-to-Data Skew (see Equation 7 on page 28).

Figure 12:

Clock-to-Data Skew Timing Diagram

(EQ 7)

(EQ 8)

4. The differential skew is measured on the two single-ended signals for any channel.

The time is taken from a transition on Voa signal to corresponding transition on Vob

signal at VCM crossing point.

CM 1

 V

CM 0



--------------------------------------------

CHSKEW ps





-------

–

CHSKEW UI





-------

0.5

–

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