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IDT82V2048L Datasheet, PDF (1/48 Pages) Integrated Device Technology – OCTAL T1/E1 SHORT HAUL ANALOG FRONT END
OCTAL T1/E1 SHORT HAUL
ANALOG FRONT END
IDT82V2048L
FEATURES
! Octal T1/E1 short haul analog front end which supports 100 Ω
T1 twisted pair, 120 Ω E1 twisted pair and 75 Ω E1 coaxial
applications
! Built-in transmit pre-equalization meets G.703 & T1.102
! 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
FUNCTIONAL BLOCK DIAGRAM
! 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
Green package options available
RTIPn
RRINGn
TTIPn
TRINGn
G.772
Monitor
Slicer
LOS
Detector
Peak
Detector
Line
Driver
Clock
Generator
Waveform
Shaper
Transmit
All Ones
Control Interface
One of Eight Identical Channels
Register
File
JTAG TAP
LOSn
RCn
RDPn
RDNn
TCLKn
TDPn
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.
July, 2005
DSC-6527/1