PXB4219 Datasheet, PDF (252/290 Pages) Infineon Technologies AG – IWE8 Interworking Element for 8 E1/T1 Lines

PXB4219 / PXB4220 / PXB4221
Electrical Characteristics
Table 37 Framer Receive Interface Timing in GIM (cont’d)
No. Parameter
Limit Values
Unit
Min
Typ
Max
4
Setup time FRDAT before FRCLK
15
ns
falling (center of bit period)
5
Hold time FRDAT after FRCLK falling 15
ns
(center of bit period)
6
Setup time FRMFB before FRCLK
15
ns
falling (center of bit period)
7
Hold time FRMFB after FRCLK falling 15
ns
(center of bit period)
1) _{In case the Internal Clock Recovery Circuit is used for SRTS, the frequency deviation should be +/- 10 ppm}
Framer Transmit Interface
1
RFCLK
2
FTCKO
3
3
FTFRS
4
FTDAT
5
5
FTMFS
Figure 60 Framer Transmit Interface Timing in GIM
Table 38 Framer Transmit Interface Timing in GIM
No. Parameter
Limit Values
Unit
1
T_RFCLK: Period RFCLK¹⁾
E1:
Min
Typ
Max
30,518
ns
Data Sheet
252
2002-05-06