pef22554e Infineon Technologies Corporation, pef22554e Datasheet - Page 13

• Manufacturer Part Number: pef22554e
• Description: Quad E1/t1/j1 Framer And Line Interface Component For Long And Short Haul Applications
• Manufacturer: Infineon Technologies Corporation

1.8
To gain best performance, the following values are recommended for the external
decoupling capacitors between V
required on each V
Table 3
Parameter
Capacitance
Capacitor material
ESR
Loop inductance (L
between V
and next V
Figure 6
Delta Sheet
DDC
SS
Decoupling Capacitors
pin
Decoupling Capacitor Parameters
Decoupling Capacitor Placement
, capacitor
DDC
L
)
L
pin.
L
118
125
Value
470 nF ± 20 %, alternatively: 2 x 220 nF ± 20 %
ceramic, type X7R or compatible
< 30 m Ω
< 10 nH
VDDC
VDD
VSS
DDC
and V
13/30
VDDC
VSS
VDD
SS
. There is one decoupling capacitor
63
56
L
L
F0252
QuadFALC
PEF 22554
2002-09-16
Overview
®