PXB4220E Infineon Technologies AG, PXB4220E Datasheet - Page 252

• Manufacturer Part Number: PXB4220E
• Description: Interworking Element for 8 E1/T1 Lines
• Manufacturer: Infineon Technologies AG

Table 37
No.
4
5
6
7
1)
Framer Transmit Interface
Figure 60
Data Sheet
RFCLK
FTCKO
FTFRS
FTDAT
FTMFS
In case the Internal Clock Recovery Circuit is used for SRTS, the frequency deviation should be +/- 10 ppm
Parameter
T1:
Setup time FRDAT before FRCLK
falling (center of bit period)
Hold time FRDAT after FRCLK falling
(center of bit period)
Setup time FRMFB before FRCLK
falling (center of bit period)
Hold time FRMFB after FRCLK falling
(center of bit period)
Framer Receive Interface Timing in GIM (cont’d)
Framer Transmit Interface Timing in GIM
1
3
4
5
252
PXB 4219E, PXB 4220E, PXB 4221E
2
Min
15
15
15
15
Limit Values
Typ
1,544
Electrical Characteristics
3
5
Max
IWE8, V3.4
2003-01-20
Unit
MHz
ns
ns
ns
ns
FtitGIM