XRT94L33IB-L Exar Corporation, XRT94L33IB-L Datasheet - Page 119
![no-image](/images/manufacturer_photos/0/2/243/exar_corporation_sml.jpg)
XRT94L33IB-L
Manufacturer Part Number
XRT94L33IB-L
Description
IC MAPPER DS3/E3/STS-1 504TBGA
Manufacturer
Exar Corporation
Specifications of XRT94L33IB-L
Applications
Network Switches
Interface
Bus
Voltage - Supply
3.14 V ~ 3.47 V
Package / Case
504-LBGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XRT94L33IB-L
Manufacturer:
Exar Corporation
Quantity:
10 000
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3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
Figure 2 The Functional Block Diagram of the XRT94L33 when it has been configured to operate in the
1-Channel STS-3 ATM UNI/PPP Mode
Figure 2 indicates that the XRT94L33 consists of the following functional blocks.
• The Receive STS-3 PECL Interface Block
• The Receive STS-3 Telecom Bus Interface Block
• The Receive STS-3 TOH Processor Block
• The Receive SONET POH Processor Block
• The Receive ATM Cell Processor Block
• The Receive UTOPIA Interface Block
• The Receive PPP Packet Processor Block
• The Receive POS-PHY Interface Block
• The Transmit POS-PHY Interface Block
• The Transmit ATM Cell Processor Block
• The Transmit PPP Packet Processor Block
• The Transmit SONET POH Processor Block
• The Transmit STS-3 TOH Processor Block
• The Transmit STS-3 Telecom Bus Interface Block
• The Transmit STS-3 PECL Interface Block
Microprocessor
Microprocessor
Interface
Interface
Interface
STS-3/12
STS-3/12
Telecom
Interface
Interface
Interface
STS-3/12
STS-3/12
Telecom
STS-3/12
PECL
Block
Block
Block
STS-3/12
PECL
Block
Block
Block
Block
Bus
CDR
Block
Bus
CDR
Synthesizer
Synthesizer
Processor
Transmit
Processor
Processor
Transmit
Clock
Block
STS-3
Processor
Block
Receive
TOH
Clock
Block
STS-3
STS-3
Block
Receive
Block
TOH
TOH
STS-3
Block
TOH
XRT94L33 – Channel 0
Processor
Processor
Transmit
SONET
Processor
SONET
Processor
Transmit
Receive
SONET
SONET
Receive
Block
Block
POH
POH
Block
Block
POH
POH
To Channels 1 and 2
119
Cell P rocessor
Cell P rocessor
Cell P rocessor
Cell P rocessor
Transmit
Processor
Processor
From Channels 1 and 2
Transmit
Transmit
Processor
Receive
Processor
Receive
Transmit
Receive
Block
Block
Receive
Block
ATM
PPP
PPP
Block
Block
Block
ATM
Block
ATM
PPP
PPP
Block
ATM
POS-PHY
POS-PHY
Transmit
Transmit
UTOPIA/
Interface
Interface
Interface
Interface
UTOPIA
POS-PHY
POS-PHY
Transmit
Transmit
Receive
UTOPIA/
Receive
Interface
Interface
Interface
Interface
UTOPIA
Receive
Receive
Block
Block
Block
Block
Block
Block
Block
Block
XRT94L33
Rev.1.2.0.
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