XRT94L33IB-L Exar Corporation, XRT94L33IB-L Datasheet - Page 400

• 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

XRT94L33
Rev.1.2.0.
2.3.4
The next functional block, within the Receive Path is the Receive ATM Cell Processor block. Figure 94
presents an illustration of the XRT94L33 Functional Block Diagram, with the “Receive ATM Cell Processor”
block highlighted.
Figure 94 Illustration of the XRT94L33 Functional Block Diagram, with the Receive ATM Cell
Processor block highlighted
Figure 95 presents a simple block diagram of the Receive ATM Cell Processor block (with the external pins
indicated).
Figure 95 Simple Illustration of the Receive ATM Cell Processor block and the Associated External
Pins
XRT95L34 – Channel 0
STS-3/12
Interface
STS-3/12
Telecom
Interface
STS-3/12
Interface
STS-3/12
Telecom
Interface
STS-3/12
PECL
Block
Block
STS-3/12
PECL
Block
Block
Block
Bus
CDR
RECEIVE ATM CELL PROCESSOR BLOCK
Block
Bus
CDR
Processor
Transmit
STS-3/12
Processor
Processor
Transmit
STS-3/12
STS-3/12
Processor
Block
Receive
STS-3/12
TOH
Microprocessor
Block
Receive
Block
TOH
TOH
Microprocessor
Block
TOH
Interface
Interface
Block
Block
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
Processor
Processor
Transmit
STS-3/12
STS-3/12
Processor
Processor
Transmit
Receive
STS-3/12
STS-3/12
Receive
Block
Block
POH
POH
Block
Block
Synthesizer
POH
POH
Synthesizer
Clock
Block
Clock
Block
400
Cell Processor
Cell Processor
Cell Processor
Cell Processor
Processor
Processor
Transmit
Processor
Processor
Transmit
Transmit
Receive
Receive
Transmit
Receive
Block
Block
Receive
Block
ATM
PPP
PPP
Block
Block
Block
ATM
Block
ATM
Block
PPP
PPP
ATM
POS-PHY
POS-PHY
UTOPIA/
Transmit
Transmit
UTOPIA
Interface
Interface
Interface
Interface
POS-PHY
POS-PHY
UTOPIA/
Transmit
Transmit
Receive
Receive
UTOPIA
Interface
Interface
Interface
Interface
Block
Block
Receive
Block
Receive
Block
Block
Block
Block
Block
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