PXB4220E Infineon Technologies AG, PXB4220E Datasheet - Page 253

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

Table 38
No.
1
1A
2
2A
3
4
5
1)
Data Sheet
In case the Internal Clock Recovery Circuit is used for SRTS, the frequency deviation should be +/- 10 ppm
Parameter
T
E1:
T1:
F
E1:
T1:
T
E1:
T1:
F
E1:
T1:
Delay FTCKO in falling to FTFRS
Delay FTCKO out falling to FTFRS
Delay FTCKO in falling to FTDAT
Delay FTCKO out falling to FTDAT
Delay FTCKO in falling to FTMFS
Delay FTCKO out falling to FTMFS
RFCLK
RFCLK
FTCKO
FTCKO
Framer Transmit Interface Timing in GIM
: Period RFCLK
: Frequency RFCLK
: Period FTCKO
: Frequency FTCKO
1)
1)
253
PXB 4219E, PXB 4220E, PXB 4221E
Min
3
-3
3
-3
3
-3
Limit Values
Typ
30,518
40,478
32,768
24,704
488
647
2,048
1,544
Electrical Characteristics
Max
32
32
32
32
32
32
IWE8, V3.4
2003-01-20
Unit
ns
ns
MHz
MHz
ns
ns
MHz
MHz
ns
ns
ns
ns
ns
ns