HDMP-2689 Datasheet, PDF (20/28 Pages) Agilent(Hewlett-Packard) – Quad 2.125/1.0625 GBd Fibre Channel General Purpose SerDes

0.1µF 0.1µF
VDDA 2
0.1µF 0.01µF
VDDA _1.8 V
(1A/30 OHMS/ 1OO MHz
+
+
0.1µF 10µF 10µF
VDDA 1/3
0.1µF 0.1µF 0.1µF 0.01µF
B2
VDDA 1
C1
C3
VDDA 1
VDDA 1
D4
VDDA 1
E7
VDDA 1
0.1µF 0.1µF 0.1µF 0.01µF
VDD_ 1.8 V
+
10µF
E4
VDD
G5
VDD
J5 _VDD
L5
VDD
M7
M9
VDD
VDD
N7
VDD
0.01µF 0.1µF 0.1µF 0.1µF
(1A/30 OHMS /100 MHz)
+
VDDA _1.8 V
10µF 0.1µF
VDDA 1/3
HDMP-2689
GUIDELINES FOR DECOUPLING CAPACITOR
PLACEMENTS/CONNECTIONS
VDDA 3
B16
VDDA 3
VDDA 3
C15
C17
VDDA 3
D1 4
VDDA 3
E11
VDD
G1 3
VDD
J13
VDD
L13
VDD
M11
VDD
VDD
N9
N1 1
0.01µF
0.1µF
0.1µF
0.1µF
VDD_ 1.8 V
0.01µF
0.1µF
0.1µF
0.1µF
0.1µF 0.1µF
0.1µF 0.01µF 0.01µF
Figure 22. Guidelines for Decoupling Capacitor Connections.
0.01µF 0.01µF 0.1µF 0.1µF
0.1µF
VDDQ_ 2.5 V
+
10µF
Figure 23. Recommended Decoupling Capacitor Placement.
20