IDT82V2048S Datasheet, PDF (1/62 Pages) Integrated Device Technology – OCTAL T1/E1 SHORT HAUL LINE INTERFACE UNIT WITH SINGLE ENDED OPTION

OCTAL T1/E1 SHORT HAUL LINE
INTERFACE UNIT WITH SINGLE
ENDED OPTION
IDT82V2048S
FEATURES
! _{Fully integrated octal T1/E1 short haul line interface which}
supports 100 Ω T1 twisted pair, 120 Ω E1 twisted pair and 75 Ω
E1 coaxial applications
! _{Optional Single Ended receive termination LIU on RTIPn/}
RRINGn for 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 7
! _{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 to 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
FUNCTIONAL BLOCK DIAGRAM
RTIPn
RRINGn
TTIPn
TRINGn
G.772
Monitor
Analog
Peak
Loopback Detector
Line
Driver
Clock
Generator
LOS
Detector
One of Eight Identical Channels
LOSn
Slicer
CLK&Data
Recovery
(DPLL)
Digital
Loopback
Waveform
Shaper
Transmit
All Ones
Jitter
Attenuator
B8ZS/
HDB3/AMI
Decoder
Jitter
Attenuator
Remote
Loopback
IBLC
Detector
AIS
Detector
B8ZS/
HDB3/AMI
Encoder
IBLC
Generator
RCLKn
RDn/RDPn
CVn/RDNn
TCLKn
TDn/TDPn
BPVIn/TDNn
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 2005
DSC-6969/-