PXB4220E-V33 Infineon Technologies, PXB4220E-V33 Datasheet - Page 21
![IC CHIPSET 8 E1/T1 LINE 256-BGA](/photos/6/93/69360/pxb4220e-v33_sml.jpg)
PXB4220E-V33
Manufacturer Part Number
PXB4220E-V33
Description
IC CHIPSET 8 E1/T1 LINE 256-BGA
Manufacturer
Infineon Technologies
Datasheet
1.PXB4220E-V33.pdf
(290 pages)
Specifications of PXB4220E-V33
Applications
*
Interface
*
Voltage - Supply
*
Package / Case
256-BGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
PXB4220E-V33
PXB4220E-V33IN
PXB4220E-V33IN
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PXB4220E-V33
Manufacturer:
Intel
Quantity:
10
Company:
Part Number:
PXB4220E-V33
Manufacturer:
Infineon Technologies
Quantity:
10 000
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1.4
The IWE8 type PXB 4219 does only support the ATM mode used for ITU-T G.804
compliant ATM cell mapping into the plesiochronous digital hierarchy (PDH) at line rates
of 1544 kbit/s and 2048 kbit/s. The AAL mode is not available.
1.5
The IWE8 type PXB 4220 uses an internal clock recovery mechanism (SRTS) which is
patented by Bellcore. SRTS is supported for fully filled cells only.
Related Patents are:
• Bellcore patent No. 5,260,978
• Bellcore patent No. 4,839,306
Infineon Technologies is not allowed to collect SRTS license fees on the IWE8 on behalf
of Bellcore. Contacts for license issues are given in
Every IWE8 customer must get in contact with Bellcore legal department by himself to
clarify whether his application needs to license the SRTS functionality.
For customers who do not want to use the built-in SRTS mechanism, Infineon provides
a special version of the IWE8. The name of this device is PXB 4221 and covers the same
functionality (pin and register compatible) like the PXB 4220. SRTS is physically and
permanently disabled, so that no patent fees have to be paid.
Data Sheet
(Synchronous Residual Time Stamp for Timing Recovery in a broadband network)
(Method and apparatus for multiplexing circuit and packet traffic)
Differences Between PXB4220 And PXB4219
Differences Between PXB4220 And PXB4221
21
PXB 4219E, PXB 4220E, PXB 4221E
Chapter
13.
IWE8, V3.4
2003-01-20
Overview
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