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78P2351
Single-Channel OC-3/STM-1e/E4 LIU
Highest Integration and Performance at the Lowest Power per Port for STM-1e/E4
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Status
Active: In Production.
Description
The 78P2351 is Teridian’s second generation line interface unit (LIU) for 155Mbps (OC-3, STS-3, or STM-1) and 140Mbps PDH (E4) telecom interfaces. The device is a single-chip solution that includes an integrated CDR in the transmit path for flexible NRZ-to-CMI conversion.
The device can interface to 75Ω coaxial cable using CMI coding or directly to a fiber optics transceiver module using NRZ coding. The 78P2351 is compliant with all respective ANSI, ITU-T, and Telcordia standards for jitter tolerance, generation, and transfer.
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Data Sheet
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Key Features
- ITU-T G.703-Compliant Cable Driver for 139.264Mbps or 155.52Mbps CMI-Coded Coax Transmission
- Integrated Adaptive CMI Equalizer and CDR in Receive Path Handles Over 12.7dB of Cable Loss
- Serial, LVPECL-Compatible System Interface with Integrated CRU in Transmit Path for Flexible NRZ-to-CMI Conversion
- 4-Bit Parallel CMOS System Interface with Master and Slave Tx Clock Modes
- Selectable LVPECL-Compatible NRZ Media Interface for 155.52Mbps Optical Transmission
- Configurable Through Hardware Control Pins or 4-Wire Serial Interface
- Compliant with ANSI T1.105.03-1994; ITU-T G.751, G.813, G.823, G.825, G.958; and Telcordia GR-253-CORE for Jitter Performance
- Receiver Loss-of-Signal (LOS) Detection Compatible with ITU-T G.783
- Operates from a Single 3.3V Supply
- 100-Pin JEDEC LQFP
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Applications/Uses
- Add/Drop Multiplexers (ADMs)
- Central Office Interconnects
- Digital Microwave Radios
- DSLAMs
- Multiservice Switches
- PDH/SDH Test Equipment
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Key Specifications:
| STM1E/E4 Line Interface Units |
| Part Number |
Features |
VSUPPLY
(V) |
Control Interface |
Channels |
EV Kit |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| max w/pins |
See Notes |
| 78P2351 |
| Adaptive CMI Equalizer | | Loss-of-Signal (LOS) Indicator | | Serial or LVPECL System Interface |
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3.3 |
Software or Hardware Based |
1 |
Yes |
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259.2 |
$14.25 @1k |
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See All STM1E/E4 Line Interface Units (3)
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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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Application Notes
Reliability Reports
| Request Reliability Report for: |
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Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| 78P2351-DB-CMI
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Active |
KIT;
Land Pattern: Not Available
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-40°C to +85°C
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See data sheet
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| 78P2351-DB-ECLM
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Active |
KIT;
Land Pattern: Not Available
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-40°C to +85°C
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See data sheet
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| 78P2351-IGT/F
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Active |
LQFP;100 pin;259.2 mm²
Land Pattern: Not Applicable
Use pkgcode/variation: C100L+9*
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-40°C to +85°C
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See data sheet
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| 78P2351-IGTR/F
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Active |
LQFP;100 pin;259.2 mm²
Land Pattern: Not Applicable
Use pkgcode/variation: C100L+9*
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-40°C to +85°C
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See data sheet
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Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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Similar Products by Function
Products with Similar Part Numbers
| 78P2351R |
Serial 155M NRZ-to-CMI Converter |
Didn't Find What You Need?
Information Index
Document Ref.: 19-5432
Rev 2;
2010-07-28
This page last modified: 2010-07-28
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