MAX3890

+3.3V, 2.5Gbps, SDH/SONET 16:1 Serializer with Clock Synthesis and LVDS Inputs

Low-Power, Low-Cost Transceiver Chipset

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Status Explanations for product status codes

Part Number Status
MAX3890 Active: In Production. But some versions of the family are subject to Last Time Buy. See Ordering Information.

Description

The MAX3890 serializer is ideal for converting 16-bit-wide, 155Mbps parallel data to 2.5Gbps serial data in ATM and SDH/SONET applications. Operating from a single +3.3V supply, this device accepts low-voltage differential-signal (LVDS) clock and data inputs for interfacing with high-speed digital circuitry, and delivers PECL serial data and clock outputs. A fully integrated PLL synthesizes an internal 2.5GHz serial clock from a 155.52MHz, 77.76MHz, 51.84MHz, or 38.88MHz reference clock. A loopback data output is provided to facilitate system diagnostic testing.

The MAX3890 is available in the extended temperature range (-40°C to +85°C) in a 64-pin TQFP exposed- paddle (EP) package.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 1 (PDF, 272kB)
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An evaluation kit is available: MAX3890EVKIT

Key Features

  • Single +3.3V Supply
  • 495mW Power Consumption
  • Exceeds ANSI, ITU, and Bellcore Specifications
  • 155Mbps (16-bit wide) Parallel to 2.5Gbps Serial Conversion
  • Clock Synthesis for 2.5Gbps
  • Multiple Clock Reference Frequencies (155.52MHz, 77.76MHz, 51.84MHz, 38.88MHz)
  • LVDS Parallel Clock and Data Inputs
  • Additional High-Speed Output for System Loopback Testing
 

Applications/Uses

  • 2.5Gbps ATM/SONET Access Nodes
  • 2.5Gbps SDH/SONET Transmission Systems
  • Add/Drop Multiplexers
  • ATM Backplanes
  • Digital Cross-Connects
   

Key Specifications:

Datacom Serializers/Deserializers
Part Number Functions Target Serial Oper. Range
(Gbps)
VSUPPLY
(V)
ICC
(mA)
Config. Parallel I/F Data Rate
(Mbps)
Serial I/F Data Rate
(Mbps)
Parallel I/F Logic Lvls. Serial I/F Logic Lvls. Package/Pins Oper. Temp.
(°C)
Budgetary Price
typ See Notes
MAX3890  Datacom Serializer 1 to 4.5 3.3 175 16-to-1 155 2488 LVDS Diff. PECL
TQFP-EP/64
-40 to +85 $25.75 @1k
See All Datacom Serializers/Deserializers (9)
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.


Diagram

MAX3890: Typical Operating Circuit
Typical Operating Circuit

More Information

New Product Press Release 1999-07-02 ]

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Information Index

Document Ref.: 19-1498 Rev 1; 2000-05-05
This page last modified: 2009-09-28




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