Rainbow Electronics DS3170 - Manual

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GENERAL DESCRIPTION
The DS3170 combines a DS3/E3 framer and an LIU
(single-chip transceiver) to interface to a DS3/E3
physical copper line.
APPLICATIONS
Access Concentrators
Routers and Switches Multiservice Access
Platforms (MSAPs)
SONET/SDH ADM
SONET/SDH Muxes Multiservice Protocol
Platform (MSPPs)
PBXs Test Equipment
Digital Cross Connect PDH Multiplexer/
Demultiplexer
Integrated-Access Device
(IAD)
ORDERING INFORMATION
PART TEMP RANGE PIN-PACKAGE
DS3170 0°C to +70°C
100 CSBGA (11mm x
11mm, 1mm pitch)
DS3170L 0°C to +70°C
100 LQFP (14mm x
14mm, 1.4mm pitch)
DS3170N -40°C to +85°C
100 CSBGA (11mm x
11mm, 1mm pitch)
DS3170LN -40°C to +85°C
100 LQFP (14mm x
14mm, 1.4mm pitch)
FUNCTIONAL DIAGRAM
DS3170
DS3/E3 LINE
DS3/
E3
LIU
DS3/E3
FRAMER/
FORMATTER
SYSTEM
BACKPLANE
FEATURES
§ Single-Chip Transceiver for DS3 and E3
§ Performs Receive Clock/Data Recovery and
Transmit Waveshaping for DS3 and E3
§ Jitter Attenuator can be Placed Either in the
Receive or Transmit Path
§ Interfaces to 75W Coaxial Cable at Lengths Up to
380 Meters or 1246 Feet (DS3), or 440 Meters or
1443 Feet (E3)
§ Uses 1:2 Transformers on Both Tx and Rx
§ On-Chip DS3 (M23 or C-Bit) and E3 (G.751 or
G.832) Framer
§ Built-In HDLC Controller with 256-Byte FIFO for
the Insertion/Extraction of DS3 PMDL, G.751 Sn
Bit, and G.832 NR/GC Bytes
§ On-Chip BERT for PRBS and Repetitive Pattern
Generation, Detection and Analysis
§ Large Performance-Monitoring Counters for
Accumulation Intervals of At Least 1 Second
§ Flexible Overhead Insertion/Extraction Port for
DS3, E3 Framers
§ Loopbacks Include Line, Diagnostic, Framer,
Payload, and Analog with Capabilities to Insert
AIS in the Directions Away from Loopback
Directions
§ Integrated Clock Rate Adapter to Generate the
Remaining Internally Required 44.736MHz (DS3)
and 34.368MHz (E3) from a Single-Clock
Reference Source
§ CLAD Reference Clock can be 44.736MHz,
34.368MHz, 77.76MHz, 51.84MHz, or 19.44MHz
§ Software Compatible with DS3171–DS3174 SCT
Product Family
§ 8-/16-Bit Parallel and Slave SPI Serial (≤10Mbps)
Microprocessor Interface
§ Low-Power (0.5W) 3.3V Operation (5V Tolerant
I/O)
§ 100-Pin Small 11mm (1mm) CSBGA and 14mm
(1.4mm) LQFP Package Options
§ Industrial Temperature Operation: -40°C to +85°C
§ IEEE1149.1 JTAG Test Port
PRODUCT BRIEF
DS3170
DS3/E3 Single-Chip Transceiver
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