09HSI-S042-R0-CHT datasheet(45/71 Pages) HIROSE

45 / 71 page

Signal Integrity Report – IT3 (17mm)

Page 45

Figure 72 Base case 1, 2 and full channel eye diagram at receiver input for 20Gbps data rate with routing on layer 16 and 6

FEXT for 50% pin density configuration

Timing Jitter (ps)

Eye Height (mV)

Data Rate

(Gbps)

IT3

Base Case 1

ΔIT3

ΔIT3 (%)

IT3

Base Case 1

ΔIT3

ΔIT3 (%)

14.80

11.80

3.00

1.50

1044.41

1131.88

-87.47

-7.73

6.25

15.25

11.64

3.61

2.26

922.96

1024.59

-101.63

-9.92

14.51

10.69

3.82

649.82

773.19

-123.37

-15.96

12.5

19.28

11.26

8.02

10.03

508.79

639.75

-130.96

-20.47

19.73

11.78

7.95

15.90

225.30

403.74

-178.44

-44.20

Table 18 Comparison of eye height and timing fuzz between full channel and Base Case 1 at the receiver’s input with 6 FEXT for

50% pin density configuration

Timing Jitter (ps)

Eye Height (mV)

Data Rate

(Gbps)

IT3

Base Case 2

ΔIT3

ΔIT3 (%)

IT3

Base Case 2

ΔIT3

ΔIT3 (%)

14.80

0.00

1044.41

1042.45

1.96

0.19

6.25

15.25

14.61

0.64

0.40

922.96

939.36

-16.40

-1.75

14.51

12.47

2.04

649.82

689.11

-39.29

-5.70

12.5

19.28

13.84

5.44

6.80

508.79

559.63

-50.84

-9.08

19.73

15.91

3.82

7.64

225.30

296.02

-70.72

-23.89

Table 19 Comparison of eye height and timing fuzz between full channel and Base Case 2 at the receiver’s input with 6 FEXT for

50% pin density configuration

09HSI-S042-R0-CHT Datasheet(PDF) 45 Page - Hirose Electric

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