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IDT82V2044 Datasheet, PDF (1/61 Pages) Integrated Device Technology – QUAD T1/E1 SHORT HAUL LINE INTERFACE UNIT
QUAD T1/E1 SHORT HAUL
LINE INTERFACE UNIT
IDT82V2044
FEATURES
! Fully integrated quad T1/E1 short haul line interface which
supports 100 Ω T1 twisted pair, 120 Ω E1 twisted pair and 75 Ω
E1 coaxial applications
! Selectable Single Rail mode or Dual Rail mode and AMI or
B8ZS/HDB3 encoder/decoder
! Built-in transmit pre-equalization meets G.703 & T1.102
! Selectable transmit/receive jitter attenuator meets ETSI CTR12/
13, ITU G.736, G.742, G.823 and AT&T Pub 62411 specifications
! SONET/SDH optimized jitter attenuator meets ITU G.783
mapping jitter specification
! Digital/Analog LOS detector meets ITU G.775, ETS 300 233 and
T1.231
! 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, Remote and Inband 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
TTIPn
TRINGn
G.772
Monitor
Analog
Peak
Loopback Detector
Line
Driver
Clock
Generator
Slicer
LOS
Detector
CLK&Data
Recovery
(DPLL)
Digital
Loopback
Waveform
Shaper
One of Four Identical Channels
Jitter
Attenuator
B8ZS/
HDB3/AMI
Decoder
Jitter
Attenuator
Remote
Loopback
IBLC
Detector
AIS
Detector
B8ZS/
HDB3/AMI
Encoder
Transmit
All Ones
Control Interface
Register
File
JTAG TAP
LOSn
RCLKn
RDn/RDPn
CVn/RDNn
TCLKn
TDn/TDPn
BPVIn/TDNn
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-6531/-