09HSI-S043-R0-CHT datasheet(45/71 Pages) HIROSE

45 / 71 page

Signal Integrity Report – IT3 (25mm)

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 (%)

16.55

11.80

4.75

2.38

1036.77

1131.88

-95.11

-8.40

6.25

13.58

11.64

1.94

1.21

918.44

1024.59

-106.15

-10.36

15.03

10.69

4.34

636.68

773.19

-136.51

-17.66

12.5

17.76

11.26

6.50

8.13

500.52

639.75

-139.23

-21.76

21.02

11.78

9.24

18.48

184.45

403.74

-219.29

-54.31

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 (%)

16.55

14.80

1.75

0.88

1036.77

1042.45

-5.68

-0.54

6.25

13.58

14.61

-1.03

-0.64

918.44

939.36

-20.92

-2.23

15.03

12.47

2.56

636.68

689.11

-52.43

-7.61

12.5

17.76

13.84

3.92

4.90

500.52

559.63

-59.11

-10.56

21.02

15.91

5.11

10.22

184.45

296.02

-111.57

-37.69

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

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