PXB4219 Datasheet, PDF (256/290 Pages) Infineon Technologies AG – IWE8 Interworking Element for 8 E1/T1 Lines

PXB4219 / PXB4220 / PXB4221
Electrical Characteristics
9.6.2.4 Framer Interface in EC Mode
I
1
RFCLK
FRFRS0
2
2
FRDAT
FTDAT
even ports
FTDAT
odd ports
Figure 63
TS0.Bit1
TS0.Bit1
5
TS1.Bit7
3
4
TS1.Bit8
5
TS1.Bit8
TS1.Bit6
Framer Interface Timing in EC Mode
TS1.Bit5
Table 41 Framer Interface Timing in EC Mode
No. Parameter
Limit Values
Min
Typ
1
T_RFCLK: Period RFCLK
1A
F_RFCLK: Frequency RFCLK
2
Delay RFCLK rising to FTFRS0
122
-130 ppm 8,192
3
3
Setup time FRDAT before RFCLK 15
falling (center of bit period)
4
Hold time FRDAT after RFCLK falling 15
(center of bit period)
5
Delay RFCLK falling to FTDAT
3
Unit
Max
ns
+130ppm MHz
32
ns
ns
ns
32
ns
9.6.3 UTOPIA Interface
The AC characteristics of the UTOPIA interface fulfills the ATM Forum “UTOPIA level 2
Specification, Version 1.0" as defined for the interface running at 33 MHz.
The AC characteristics are based on the timing specification for the receiver side of a
signal.
Data Sheet
256
2002-05-06