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78P2343-IGT/A07/F

Description
Telecom IC, PQFP100,
CategoryWireless rf/communication    Telecom circuit   
File Size351KB,37 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
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78P2343-IGT/A07/F Overview

Telecom IC, PQFP100,

78P2343-IGT/A07/F Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
package instructionQFP, QFP100,.63SQ,20
Reach Compliance Codecompliant
Is SamacsysN
Carrier typeE-3
Carrier Type (2)STS-1/OC-1
Carrier type (3)T-3(DS3)
JESD-30 codeS-PQFP-G100
Number of terminals100
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeQFP
Encapsulate equivalent codeQFP100,.63SQ,20
Package shapeSQUARE
Package formFLATPACK
power supply3.3 V
Certification statusNot Qualified
Maximum slew rate355 mA
Nominal supply voltage3.3 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationQUAD
Base Number Matches1
78P2343JAT
3-port E3/DS3/STS-1 LIU
with Jitter Attenuator
DATA SHEET
JULY 2005
DESCRIPTION
The 78P2343JAT is a low-power, 3-port
DS3/E3/STS1 Line Interface Unit (LIU) with
integrated Jitter Attenuator (JAT). It includes all the
required clock recovery and transmitter pulse
shaping functions for applications using 75-ohm
coaxial cable at distances up to 1350 feet. These
applications include DSLAMs, T1,3/E1,3 digital
multiplexers, SONET Add/Drop multiplexers, PDH
equipment, DS3 to Fiber optic and microwave
modems and ATM WAN access for routers and
switches.
The receiver recovers clock and data from a B3ZS
or HDB3 coded AMI signal. It can compensate for
over 12dB of cable and 6dB of flat loss. The
transmitter generates a signal that meets the
standard pulse shape requirements.
The
78P2343JAT includes optional B3ZS/HDB3 ENDEC
with a receive line code violation detector, loop-back
modes, Loss of Signal detector, clock polarity
selection, and the ability to receive a DSX3 monitor
signal.
FEATURES
Transmit and receive interfaces for E3, DS3 and
STS-1 applications
Designed for use with 75 ohm coaxial cable
lengths up to 1350 ft
Receives DS3-high and DSX3 monitor signals
Local and Remote loopbacks
Selectable B3ZS/HDB3 ENDEC with line code
violation detector
Standards-based LOS detector
Optional serial-port based mode selection and
channel status monitoring
Adaptive digital clock recovery (uses line-rate
reference clock input)
Receive output clock maintains nominal line-rate
frequency at all times
Fully integrated Jitter Attenuation function
provided for all line rates (no external VCXO
required)
Jitter Attenuator configurable for transmit or
receive path
Transmit line fault monitor
Requires no external current-setting resistor or
loop filter components
Single 3.3V supply operation
Standard and exposed pad 100-pin JEDEC
LQFP package options available
STANDARDS
Telcordia GR-499-CORE and GR-253-CORE
ITU-T G.823, G.824, G.775, and G.703
ETSI TBR-24, ETS 300 686, ETS 300 687, and
ETS EN 300 689
ANSI T1.102-1993, T1.231-1997, T1.404-1994,
and T1.105.03b
BLOCK DIAGRAM
Controls
Flags
RLBK
LBO E3 DS3
TXEN
TPOS
TNEG
TCLK
Jitter
Attenuator
RPOS
RNEG
RCLK
B3ZS /
HDB3
Decoder
B3ZS /
HDB3
Encoder
Transmit
Monitor
TXNW
Pulse
Shaper
LOUTP
LOUTN
Attenuator
ENDEC
Data
Detector
Adaptive
Equalizer
AGC
LINP
LINN
MON
TCLKP
RCLKP
Power
Distribution
Clock
Recovery
Signal
Detector
LLBKA
LLBKB
Signals from
Adjacent Port
LOS
PDTX PDRX
CKREF
Each Channel
CS
SCK
SDI
SDO
Control
Registers
Master
Bias
Generator
CKREF
Page 1 of 37
2005 Teridian Semiconductor Corporation
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