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IDT82V2054 Datasheet, PDF (1/56 Pages) Integrated Device Technology – QUAD E1 SHORT HAUL LINE INTERFACE UNIT
QUAD E1 SHORT HAUL LINE
INTERFACE UNIT
IDT82V2054
FEATURES
! Fully integrated quad E1 short haul line interface which
supports 120 Ω twisted pair and 75 Ω coaxial applications
! Selectable Single Rail mode or Dual Rail mode and AMI or
HDB3 encoder/decoder
! Built-in transmit pre-equalization meets G.703
! Selectable transmit/receive jitter attenuator meets ETSI CTR12/
13, ITU G.736, G.742 and G.823 specifications
! SONET/SDH optimized jitter attenuator meets ITU G.783
mapping jitter specification
! Digital/Analog LOS detector meets ITU G.775 and ETS 300 233
! ITU G.772 non-intrusive monitoring for in-service testing for
any one of channel 1 to channel 3
! Low impedance transmit drivers with high-Z
! Selectable hardware and parallel/serial host interface
! Local and Remote Loopback test functions
! Hitless Protection Switching (HPS) for 1 + 1 protection without
relays
! JTAG boundary scan for board test
! 3.3 V supply with 5 V tolerant I/O
! Low power consumption
! Operating temperature range: -40°C to +85°C
! Available in 144-pin Thin Quad Flat Pack (TQFP) and 160-pin
Plastic Ball Grid Array (PBGA) packages
Green package options available
FUNCTIONAL BLOCK DIAGRAM
RTIPn
RRINGn
Slicer
Analog
Peak
Loopback Detector
LOS
Detector
CLK&Data
Recovery
(DPLL)
Digital
Loopback
One of Four Identical Channels
Jitter
Attenuator
B8ZS/
HDB3/AMI
Decoder
Remote
Loopback
AIS
Detector
LOSn
RCLKn
RDn/RDPn
CVn/RDNn
TTIPn
TRINGn
Line
Driver
Waveform
Shaper
Jitter
Attenuator
B8ZS/
HDB3/AMI
Encoder
TCLKn
TDn/TDPn
BPVIn/TDNn
G.772
Monitor
Clock
Generator
Transmit
All Ones
Control Interface
Register
File
JTAG TAP
VDDIO
VDDT
VDDD
VDDA
Figure-1 Block Diagram
IDT and the IDT logo are trademarks of Integrated Device Technology, Inc.
1
 2005 Integrated Device Technology, Inc.
September 22, 2005
DSC-6778/-