PXB 4221 E V3.4-G Infineon Technologies, PXB 4221 E V3.4-G Datasheet - Page 233

• Manufacturer Part Number: PXB 4221 E V3.4-G
• Description: IC ATM/IP INTERWORKING BGA-256
• Manufacturer: Infineon Technologies

Specifications of PXB 4221 E V3.4-G

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PXB4221EV3.4X; PXB4221EV34GXP; SP000017875

8.3.3
The aliasing effect which is inherent to the SRTS algorithm causes the jitter tolerance at
681 Hz and all multiples of 681 Hz to be a copy of the jitter tolerance at 0 Hz.
The jitter tolerance of the bare device meets the requirements of ITU-T G.823 and I.431
only at medium and low frequencies. At high frequencies it is lower than the
requirements.
In combination with an jitter attenuator the tolerance at high frequencies is better than
0.2 UI. All requirements are met.
Figure 43
Data Sheet
100,0
10,0
1,0
0,1
1
SRTS Jitter Tolerance in E1 Mode
SRTS Jitter Tolerance in E1 Mode without Jitter Attenuator
10
SRTS Jitter Tolerance in E1 Mode
100
1000
10000
233
PXB 4219E, PXB 4220E, PXB 4221E
100000 1000000
Application Hints
Freqency [Hz]
-50 ppm
0 ppm
+50 ppm
ITU G.823
and I.431
IWE8, V3.4
2003-01-20