IDT82V2108PX IDT, Integrated Device Technology Inc, IDT82V2108PX Datasheet - Page 101

• Manufacturer Part Number: IDT82V2108PX
• Description: IC FRAMER T1/J1/E1 8CH 128-PQFP
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82V2108PX

• Controller Type: T1/E1/J1 Framer
• Interface: Parallel
• Voltage - Supply: 2.97 V ~ 3.63 V
• Current - Supply: 160mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 82V2108PX

IDT82V2108
3.23.2
framer can be set in the Digital Loopback mode. In this configuration, the
data to be transmitted on LTCKn and LTDn is looped internally to the
Functional Description
TSCCKA
TSCCKB/
MTSCCKB
TSCFS/
MTSCFS
MTSSIG[1:2]
MTSD[1:2]
RSCCK/
MRSCCK
RSCFS/
MRSCFS
MRSD[1:2]
MRSSIG[1:2]
MRSFS[1:2]
By programming the DDLB (b2, E1-007H / b2, T1/J1-00AH), each
DIGITAL LOOPBACK
TSDn
TSFSn/
TSSIGn
RSDn
RSCKn/
RSSIGn
RSFSn
Generator
/Detector
Transmit
Interface
Interface
PRBS
Receive
System
System
Transmit
Payload
Payload
Receive
Control
Control
Figure 71. Digital Loopback
Transmitter
CAS/RBS
Receive
Buffer
One of the Eight Framers
HDLC
#1
91
Frame Generator
Line Receive Clock and Data (LRDn and LRCKn). The data stream to
be transmitted is still output to the line side while the data stream
received from the line side is ignored. Figure 71 shows the process.
#2 #3
Elastic
Detector
Buffer
Bit-Oriented
Store
Generator
Loopback
Alarm
Message
Receiver
Inband
Code
Frame Processor
Receiver #1
Performance
Bit-Oriented
Transmitter
Message
HDLC
Monitor
Transmit
Loopback
Detector
Clock
Inband
Code
#2 #3
T1 / E1 / J1 OCTAL FRAMER
Loopback
Digital
Attenuator
Transmit
Jitter
Attenuator
Receive
Jitter
March 5, 2009
LTCKn
LRCKn
LTDn
LRDn
XCK