AR0330 datasheet(26/77 Pages) ONSEMI

26 / 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

Notes:

1. One UI is defined as the normalized mean time between one edge and the following edge of the

clock.

2. Taken from the 0 V crossing point with the DLL off.

3. Also defined with a maximum loading capacitance of 10pF on any pin. The loading capacitance

may also need to be less for higher bitrates so the rise and fall times do not exceed the maximum

0.3 UI.

4. The absolute mean skew between the Clock lane and any Data Lane in the same PHY between any

edges.

5. The absolute mean skew between any Clock in one PHY and any Data lane in any other PHY

between any edges.

6. Differential skew is defined as the skew between complementary outputs. It is measured as the

absolute time between the two complementary edges at mean VCM point. Note that differential

skew also is related to the VCM_AC spec which also must not be exceeded.

Electrical Definitions

Figure 10 is the diagram defining differential amplitude VOD, VCM, and rise and fall

times. To measure VOD and VCM use the DC test circuit shown in Figure 11 on page 27

and set the HiSPi PHY to constant Logic 1 and Logic 0. Measure Voa, Vob and VCM with

voltmeters for both Logic 1 and Logic 0.

Table 23:

HiVCM Electrical AC Specification

Parameter

Symbol

Min

Max

Unit

Notes

Data Rate

1/UI

280

700

Mbps

Bitrate Period

tPW

1.43

3.57

Max setup time from transmitter

tPRE

0.3

1, 2

Max hold time from transmitter

tPOST

0.3

1, 2

Eye Width

tEYE

0.6

1, 2

Data Total Jitter (pk-pk) @1e-9

tTOTALJIT

0.2

1, 2

Clock Period Jitter (RMS)

tCKJIT

Clock Cycle-to-Cycle Jitter (RMS)

tCYCJIT

100

Rise time (20% - 80%)

150ps

0.3

Fall time (20% - 80%)

150ps

0.3

Clock duty cycle

DCYC

Clock to Data Skew

tCHSKEW

-0.1

0.1

1, 4

PHY-to-PHY Skew

tPHYSKEW

2.1

1, 5

Mean differential skew

tDIFFSKEW

-100

100

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