78P2343-IEL TERIDIAN [Teridian Semiconductor Corporation], 78P2343-IEL Datasheet

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78P2343-IEL

Manufacturer Part Number
78P2343-IEL
Description
3-port E3/DS3/STS-1 LIU with Jitter Attenuator
Manufacturer
TERIDIAN [Teridian Semiconductor Corporation]
Datasheet
DESCRIPTION
The
DS3/E3/STS1
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
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.
STANDARDS
BLOCK DIAGRAM
Page 1 of 37
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
78P2343JAT
pulse
CKREF
TNEG
TPOS
TCLK
RPOS
RNEG
RCLK
RCLKP
TCLKP
Line
Controls
shape
Attenuator
Jitter
is
Interface
Flags
a
requirements.
PDTX
low-power,
Distribution
Encoder
Decoder
B3ZS /
B3ZS /
HDB3
HDB3
Power
RLBK
Unit
PDRX
2005 Teridian Semiconductor Corporation
SCK
SDO
SDI
CS
ENDEC
(LIU)
LBO
Detector
Shaper
Data
3-port
Pulse
E3
with
The
Registers
DS3
Control
Recovery
Clock
Generator
FEATURES
Master
Bias
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
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
Equalizer
Adaptive
Detector
Signal
3-port E3/DS3/STS-1 LIU
integrated
TXEN
CKREF
LLBKA
LLBKB
with Jitter Attenuator
Adjacent Port
Signals from
Attenuator
Transmit
DATA SHEET
Monitor
Jitter
Each Channel
MON
AGC
78P2343JAT
Attenuation
TXNW
LOS
LOUTN
LINN
LOUTP
LINP
JULY 2005
function
Rev 2.2

Related parts for 78P2343-IEL

78P2343-IEL Summary of contents

Page 1

... The transmitter generates a signal that meets the standard pulse shape requirements. 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. STANDARDS Telcordia GR-499-CORE and GR-253-CORE ITU-T G ...

Page 2

... Page The jitter tolerance of 78P2343JAT meets the requirements of ITU-T G.823 for E3 rates; the for connection requirements of ITU-T G.824 and Telcordia GR-499 (Cat I and II) for DS3 rates; and the requirements of Telcordia GR-253 for STS1 rates. ...

Page 3

... Source shown below. Note that redundant channel modes can only be activated using the serial interface. LPBKx pin The Register  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator Transmitter #1 00 Receiver LLBKA,B(1) ...

Page 4

... HDB3. 3) Code violation: Even number of bipolar pulses (B) detected between bipolar violation pulses (V). When the ENDEC is disabled, the 78P2343JAT outputs a dual rail data stream via the RPOSx and RNEGx pins. In this mode, the Framer/Mapper providing the ENDEC function typically detects Line Code Violations ...

Page 5

... JABW bit depends on which line-rate is selected through the MSL0 pin DS3 mode is selected, the default state is ‘0’. If STS1 mode is selected, the default state is ‘1’.  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator Jitter Attenuator can ...

Page 6

... Page SERIAL CONTROL INTERFACE The serial port controlled register allows a generic controller to interface with the 78P2343JAT used for mode settings, diagnostics and test, and the retrieval of status and performance information. The serial interface consists of four pins: Chip Select (CS), Serial Clock (SCK), Serial Data In (SDI), and Serial Data Out (SDO) ...

Page 7

... FERR <1> <1> <0> <1> JAEN JASL JLBK <0> <X> <X> <0> <0> <0> <0> <0> <0> <0>  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator Bit 2 Bit 1 Bit 0 Read/ Sub-Address Write SA[1] SA[0] R/W* Bit 3 Bit 2 Bit 1 RCLKP TCLKP -- <0> <0> JAER RXER -- <0> <1> <0> <0> <0> ...

Page 8

... E3/DS3/STS-1 LIU with Jitter Attenuator REGISTER DESCRIPTION LEGEND TYPE DESCRIPTION R/O Read only GLOBAL REGISTERS ADDRESS 0-0: MASTER CONTROL REGISTER DFLT BIT NAME TYPE VALUE 7 REGEN R DS3 R R ENDECB R RCLKP R TCLKP R RSVD R SRST R/W 0 Page (continued) ...

Page 9

... When set, loss of receive signal (as indicated by the LOS bit) will cause an interrupt to be flagged. Transmitter Error Event: When set, transmitter fault (as indicated by the TXNW bit) will cause an interrupt to be flagged.  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator DESCRIPTION Rev 2.2 ...

Page 10

... E3/DS3/STS-1 LIU with Jitter Attenuator REGISTER DESCRIPTION PORT-SPECIFIC REGISTERS For PA[3: 1-3 only. Accessing a register with port address greater than 3 constitutes an invalid command, and the read/write operation will be ignored. ADDRESS N-0: MODE CONTROL REGISTER DFLT BIT NAME TYPE VALUE 7 PDTX R PDRX ...

Page 11

... Transmitter Not-Working Indication Transmitter Transmitter not working Reserved Signal Low Indication Receive signal level Receive signal level too low / Loss of signal  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator DESCRIPTION Rev 2.2 ...

Page 12

... E3/DS3/STS-1 LIU with Jitter Attenuator REGISTER DESCRIPTION ADDRESS N-3: JITTER ATTENUATOR CONTROL REGISTER DFLT BIT NAME TYPE VALUE 7 JAEN R JASL R JLBK R RSVD R/W 0 ESP 3:2 R/W 11 [1:0] 1 RSVD R JABW R/W X Page (continued) Jitter Attenuator Enable Disables jitter attenuation function ...

Page 13

... TPOSx is high. When ENDECB =’0’, this pin is ignored. Transmitter Clock Input: CIS This signal is used to latch the respective TPOSx and TNEGx signals into the 78P2343JAT. Line Out: Differential AMI Outputs. Requires a 1:2CT center-tapped A transformer and a shunt termination resistor. See APPLICATION INFORMATION section for more info.  ...

Page 14

... E3/DS3/STS-1 LIU with Jitter Attenuator PIN DESCRIPTION (continued) RECEIVER PINS NAME PIN TYPE 57 CKREF 27, 35 RCLKx 43 28, 36 RNEGx 44 29, 37 RPOSx 45 96, 90 LINPx 83 95, 89 LINNx 82 Page DESCRIPTION Reference Clock Input: This clock should be from a clean source ( 20 ppm) and match the ...

Page 15

... This pin is normally high when the INPOL bit is ‘0’ (default), and CO normally low when the INPOL bit is ‘1’. When an interrupt event occurs (as defined in the Interrupt Control Register description), the respective INTRx pin will change state.  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator Rev 2.2 ...

Page 16

... E3/DS3/STS-1 LIU with Jitter Attenuator PIN DESCRIPTION (continued) SERIAL-PORT PINS NAME PIN TYPE CS 65 SCK 66 SDI 68 SDO 67 COZ POWER AND GROUND PINS It is recommended that all supply pins be connected to a single power supply plane and all ground pins be connected to a single ground plane. ...

Page 17

... Iddr JAT Disabled DS3/E3 mode Iddt JAT Enabled: JAT Disabled: DS3/E3 mode Iddx JAT Enabled: JAT Disabled: PDTX = 1, PDRX = 1 Iddq  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator MIN NOM MAX 265 288 246 267 : 118 128 97 ...

Page 18

... E3/DS3/STS-1 LIU with Jitter Attenuator ELECTRICAL SPECIFICATIONS ANALOG PINS CHARACTERISTICS: The following table is provided for informative purpose only. Not tested in production. PARAMETER LINPx and LINNx Common-Mode Bias Voltage LINPx and LINNx Differential Input Impedance PORB Input Impedance DIGITAL I/O CHARACTERISTICS: ...

Page 19

... SYMBOL CONDITIONS Vtil Vtih Rtiz SYMBOL CONDITIONS Vol Iol = 8mA Voh Ioh = -8mA 20pF; (20-80%) L Cout Rsrc Iz Type COZ only  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator MIN NOM MAX 0.8 2.0 30 MIN NOM MAX 0.4 2 UNIT V ...

Page 20

... E3/DS3/STS-1 LIU with Jitter Attenuator ELECTRICAL SPECIFICATIONS SERIAL-PORT TIMING CHARACTERISTICS: PARAMETER CS or SDI to SCK setup time CS or SDI to SCK hold time SCK to SDO propagation delay SCK Frequency SEN t su SCK SDI X 1 SA0 SA1 SA2 SDO Z SEN ...

Page 21

... TIMING DIAGRAM: Transmitter Waveforms (E3/DS3/STS-1) TCLK TCLKP=LOW TCLK TCLKP=HIGH TTDPS TPOS TNEG Page (continued) SYMBOL CONDITIONS TTC/TTCF TTDxS TTDxH TTCF TTC TTDPH TTDNH TTDNS  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator MIN NOM MAX 40 60 2.5 2.5 UNIT % ns ns Rev 2.2 ...

Page 22

... E3/DS3/STS-1 LIU with Jitter Attenuator ELECTRICAL SPECIFICATIONS RECEIVE TIMING CHARACTERISTICS: PARAMETER CKREF Duty Cycle CKREF Frequency Stability RCLK Duty Cycle Data Propagation Delay Receive Loss of Signal Assert Timing Receive Loss of Signal De-assert Timing Note 1: At least a 100 S of software delay must be added after STS-1 LOS de-assertion to be compliant with the ANSI T1 ...

Page 23

... Measured at 0ft of terminated 75ohm cable with LBO pin held high (enabled). Ratio of amplitudes of positive and negative pulses measured at pulse peaks. PRBS15 pattern band-limited to 207.36MHz.  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator MIN TYP MAX 900 1000 1100 0.95 1 ...

Page 24

... E3/DS3/STS-1 LIU with Jitter Attenuator ELECTRICAL SPECIFICATIONS E3 TRANSMIT PULSE TEMPLATE 0.2 0.1 1.0 0.1 0.2 0.5 0.1 0 0.1 Page (continued 8.65 ns 14.55 ns 12.1 ns 24.5 ns 0.2 29.1 ns  2005 Teridian Semiconductor Corporation 0.1 0.1 Rev 2.2 ...

Page 25

... Time axis range (UI) -0.85 < T < -0.68 -0.68 < T < 0.36 0.36 < T < 1.4 -0.85 < T < -0.36 -0.36 < T < 0.36 0.36 < T < 1.4 Page (continued) 0 0.5 Time, Unit Intervals Normalized amplitude equation UPPER CURVE 0.03 0.03 + 0.5{1+sin[(pi/2)(1+T/0.34)]} -1.84(T-0.36) 0.08+0.407 e LOWER CURVE -0.03 -0.03 + 0.5{1+sin[(pi/2)(1 + T/0.18)]} -0.03  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator 1 1.5 Rev 2.2 ...

Page 26

... E3/DS3/STS-1 LIU with Jitter Attenuator ELECTRICAL SPECIFICATIONS STS-1 TRANSMIT PULSE TEMPLATE 1.2 1 0.8 0.6 0.4 0.2 0 -0.2 -1 -0.5 STS-1 (Transmit template specs) Time axis range (T) -0.85 < T < -0.68 -0.68 < T < 0.26 0.26 < T < 1.4 -0.85 < T < -0.38 -0.38 < T < 0.36 0.36 < T < 1.4 Page (continued) 0 0.5 Time, Unit Intervals Normalized amplitude equation (A) UPPER CURVE ...

Page 27

... Transmitter Output Jitter Note: Filters defined by standards are used for all testing Page (continued) 20dB/decade f1 CONDITION 800 kHz 10 kHz to 800 kHz  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator Measured Jitter Amplitude f2 MIN NOM MAX 0.15 0.08 ...

Page 28

... E3/DS3/STS-1 LIU with Jitter Attenuator ELECTRICAL SPECIFICATIONS TRANSMIT MONITOR SPECIFICATIONS The transmit monitor function looks at the signals on the LOUTPx and LOUTNx pins and checks for the existence of a valid signal. The monitor detects the peak of the transmitted signal at the LOUTPx and LOUTNx pins and checks that it is between V window, the TXNW signal is low ...

Page 29

... Normal receive mode b) Remote loopback mode Maximum ratio of Interference Power -8 to Signal Power for BER < With 0ft cable from DSX b) With 450ft cable from DSX  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator MIN TYP MAX 90 850 25 ...

Page 30

... E3/DS3/STS-1 LIU with Jitter Attenuator ELECTRICAL SPECIFICATIONS E3 – RECEIVER SPECIFICATIONS (Transformer-coupled) PARAMETER CONDITION MON=0 (See Note 1) Peak Differential Input Amplitude, LINPx and LINNx MON=1 (See Note 2) MON=0. Flat-loss Tolerance All valid cable lengths. With 100Hz-800kHz filter: Receive Clock Jitter ...

Page 31

... ELECTRICAL SPECIFICATIONS RECEIVER JITTER TOLERANCE The 78P2343JAT receive jitter tolerance exceeds all specifications as shown on the graph below. PARAMETER Receiver High Frequency Jitter Tolerance Jitter Tolerance: 78P234x vs. Standards JAT enabled Page (continued) CONDITION > ...

Page 32

... E3/DS3/STS-1 LIU with Jitter Attenuator ELECTRICAL SPECIFICATIONS RECEIVER JITTER TRANSFER FUNCTION The receiver clock recovery loop characteristics are such that the receiver has the following transfer function. When the Jitter Attenuator (JAT) is enabled in the receive or transmit path, the receiver or transmitter will exhibit a jitter transfer as shown in the graph and table below ...

Page 33

... THERMAL INFORMATION PACKAGE Standard 100-pin JEDEC LQFP (78P2343JAT-IGT) Exposed Pad 100-pin JEDEC LQFP (78P2343JAT-IEL) SCHEMATICS For schematics, recommended transformer part numbers, etc. please check Teridian Semiconductor's website or contact your local sales representative for the latest application note(s) and/or demo board manuals. ...

Page 34

... Jitter Attenuator MECHANICAL SPECIFICATIONS (Top View) 15.7 (0.618) 16.3 (0.641) PIN No. 1 Indicator Page 15.7 (0.618) 16.3 (0.641) 13.8 (0.543) SQ 14.2 (0.559) 0.50 TYP. 0.60 (0.024) TYP. (0.0197) 0.18( 0.007) 0.27 (0.011) IGT 78P2343JAT- Mechanical Specification 100-pin TQFP (JEDEC LQFP)  2005 Teridian Semiconductor Corporation 0.00(0) 1.40 (0.055) 0.20 (0.008) 1.60 (0.063) Rev 2.2 ...

Page 35

... REF. 100 10.000 MAX. MAX. 1.600 1.400 +/- 0.050 0.500 IEL 78P2343JAT- Mechanical Specification 100-pin Exposed Pad LQFP (JEDEC LQFP)  2005 Teridian Semiconductor Corporation 78P2343JAT 3-port E3/DS3/STS-1 LIU with Jitter Attenuator 1 0.100 +/- 0.050 0.600 +/- 0.150 Rev 2.2 ...

Page 36

... JEDEC LQFP w/ Exposed Solder Pad, No Jitter Attenuator Tape & Reel option Lead-free option Page 78P2343JAT 100-pin TQFP (JEDEC LQFP) ORDER NUMBER 78P2343JAT-IGT /A07 78P2343-IGT /A07 78P2343JAT-IEL /A07 78P2343-IEL /A07 append ‘R’ append ‘/F’  2005 Teridian Semiconductor Corporation 75 VCC 74 VCC VCC 73 ...

Page 37

... July 29, 2005 Changed company name and logo from TDK to Teridian Changed Package Marking for non-JAT 78P2343 ordering option This product is sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infringement and limitation of liability. Teridian Semiconductor Corporation (TSC) reserves the right to make changes in specifications at any time without notice ...

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