PXB4221 Infineon Technologies AG, PXB4221 Datasheet - Page 256

• Manufacturer Part Number: PXB4221
• Description: IWE8 Interworking Element for 8 E1/T1 Lines
• Manufacturer: Infineon Technologies AG

9.6.2.4
I
Figure 63
Table 41
No.
1
1A
2
3
4
5
9.6.3
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
R FC LK
F R FR S 0
F R D A T
F TD A T
F TD A T
o dd p orts
even ports
T
F
Delay RFCLK rising to FTFRS0
Setup time FRDAT before RFCLK
falling (center of bit period)
Hold time FRDAT after RFCLK falling
(center of bit period)
Delay RFCLK falling to FTDAT
Parameter
RFCLK
RFCLK
Framer Interface in EC Mode
UTOPIA Interface
Framer Interface Timing in EC Mode
Framer Interface Timing in EC Mode
: Period RFCLK
: Frequency RFCLK
TS1.Bit7
TS0.Bit1
5
TS0.Bit1
2
5
256
TS1.Bit6
2
Limit Values
Min
-130 ppm 8,192
3
15
15
3
3
TS1.Bit8
PXB4219 / PXB4220 / PXB4221
4
TS1.Bit8
Typ
122
Electrical Characteristics
1
Max
+130ppm MHz
32
32
TS1.Bit5
2002-05-06
Unit
ns
ns
ns
ns
ns