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DS3171, DS3172, DS3173, DS3174
Single/Dual/Triple/Quad DS3/E3 Single-Chip Transceivers
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Status
Active: In Production.
Description
The DS3171 (single), DS3172 (dual), DS3173 (triple), and DS3174 (quad) perform framing, formatting, and line transmission and reception. These devices contain integrated LIU(s), framer/formatter for M23 DS3, C-bit DS3,
G.751 E3, G.832 E3, or a combination of the above signal formats.
Each LIU has independent receive and transmit paths. The receiver LIU block performs clock and data recovery
from a B3ZS- or HDB3-coded AMI signal and monitors for loss of the incoming signal, or can be bypassed for
direct clock and data inputs. The receiver LIU block optionally performs B3ZS/HDB3 decoding. The transmitter LIU
drives standard pulse-shape waveforms onto 75Ω coaxial cable or can be bypassed for direct clock and data
outputs. The jitter attenuator can be placed in either transmit or receive data path when the LIU is enabled. The
DS3/E3 framers transmit and receive serial data in properly formatted M23 DS3, C-bit DS3, G.751 E3, or G.832 E3
data streams. Unused functions can be powered down to reduce device power. The DS317x DS3/E3 SCTs
conform to the telecommunications standards listed in Section 4.
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Data Sheet
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An evaluation kit is available: DS3174DK
Key Features
- Single (DS3171), Dual (DS3172), Triple
(DS3173), or Quad (DS3174) Single-Chip
Transceiver for DS3 and E3
- All Four Devices are Pin Compatible for Ease of Port Density Migration in the Same Printed
Circuit Board Platform
- Each Port Independently Configurable
- Performs Receive Clock/Data Recovery and
Transmit Waveshaping for DS3 and E3
- Jitter Attenuator can be Placed Either in the
Receive or Transmit Paths
- Interfaces to 75Ω 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(s)
- Ports Independently Configurable for DS3, E3
- Built-In HDLC Controllers with 256-Byte FIFOs
for the Insertion/Extraction of DS3 PMDL, G.751
Sn Bit, and G.832 NR/GC Bytes
- On-Chip BERTs 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 Ports for
DS3, E3 Framers
- Loopbacks Include Line, Diagnostic, Framer,
Payload, and Analog with Capabilities to Insert
AIS in the Directions Away from Loopback
Directions
- Ports can be Disabled to Reduce Power
- Integrated Clock Rate Adapter to Generate the
Remaining Internally Required 44.736MHz (DS3)
and 34.368MHz (E3) from a Single Clock
Reference Source at One of Three Standard
Frequencies (DS3, E3, STS-1)
- Pin Compatible with the DS318x Family of
Devices and the DS316x Family of Devices
- 8-/16-Bit Generic Microprocessor Interface
- Low-Power (~1.73W) 3.3V Operation (5V
Tolerant I/O)
- Small High-Density Thermally Enhanced Chip-
Scale BGA Packaging (TE-CSBGA) with 1.27mm
Pin Pitch
- Industrial Temperature Operation: -40°C to
+85°C
- IEEE1149.1 JTAG Test Port
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Applications/Uses
- Access Concentrators
- Digital Cross Connect
- Integrated Access Device (IAD)
- Multiservice Access Platform (MSAP)
- Multiservice Protocol Platform (MSPP)
- PBXs
- PDH Multiplexer/Demultiplexer
- Routers and Switches
- SONET/SDH ADM and Muxes
- Test Equipment
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Key Specifications:
| T/E Carrier & Packetized Products |
| Part Number |
Transmission Standard |
Functions |
Channels |
VSUPPLY
(V) |
EV Kit |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| max w/pins |
See Notes |
| DS3171 |
T3/E3 |
Framer + LIU |
1 |
3.3 |
- |
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729 |
$47.38 @1k |
| DS3172 |
2 |
- |
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- |
| DS3173 |
3 |
- |
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- |
| DS3174 |
4 |
Yes |
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- |
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See All T/E Carrier & Packetized Products (99)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Functional Diagram
More Information
Didn't Find What You Need?
Information Index
Rev 2;
2006-12-14
This page last modified: 2009-10-07
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