FX10A-80P8-SV Datasheet, PDF (4/20 Pages) Hirose Electric – 10 Gbps 0.5mm pitch Stacking Connectors

FX10 Seriesq10⁺Gbps 0.5mm pitch Stacking Connectors
sSignal integrity
q Pin assignment
To match 100 ohm differential impedance and to reduce crosstalk, a staggered GSGSG pin assignment is recommended.
(G=ground and S=signal)
GSGSG
signal
Diff pair ground
q Impedance
The differential impedance is 100 +/- 10 ohm for FX10 at 30 ps rise time (20% to 80%).
115
110
105
100
95
90
85
0
4 mm (without GND)
S(3,3)
200
400
600
800
1000
Time (ps)
115
110
105
100
95
90
85
0
5 mm (without GND)
S(3,3)
200
400
600
800
1000
Time (ps)
115
110
105
100
95
90
85
0
4 mm (with GND)
S(3,3)
200
400
600
800
1000
Time (ps)
115
110
105
100
95
90
85
0
5 mm (with GND)
S(3,3)
200
400
600
800
1000
Time (ps)
q Propagation delay
The propagation delay is 62 and 67 ps for FX10 of 4mm and 5mm height (with and without GND), respectively.
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