pef2256e Infineon Technologies Corporation, pef2256e Datasheet - Page 61

• Manufacturer Part Number: pef2256e
• Description: E1/t1/j1 Framer And Line Interface Component For Long- And Short-haul Applications
• Manufacturer: Infineon Technologies Corporation

Figure 13
3.4.2
To gain best performance, the following values are recommended for the external
de-coupling between V
Table 10
Parameter
Capacitance (C
Capacitor material
ESR
Loop inductance (L
between V
and next V
User’s Manual
Hardware Description
DDC
SS
Power Supply De-Coupling
pin
, capacitor
Dual Voltage Power Supply Mode
Decoupling Capacitor Parameters
DEC
)
L
)
DDC
and V
Value
470 nF ± 20 %, alternatively: 2 × 220 nF ± 20 %
Ceramic, type X7R or compatible
< 30 mΩ
< 10 nH
SS
.
61
Functional Description E1/T1/J1
DS1.1, 2003-10-23
PEF 2256 H/E
FALC
®
56