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MAX9392, MAX9393

Anything-to-LVDS Dual 2 x 2 Crosspoint Switches

Dual, 2 x 2 Crosspoint Switches with Anything-to-LVDS Guarantee 1.50GHz Maximum Operating Frequency
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Status Explanations for product status codes

Part Number Status
MAX9392 Active: In Production.
MAX9393 Active: In Production. See Ordering Information for details.


The MAX9392/MAX9393 dual 2 x 2 crosspoint switches perform high-speed, low-power, and low-noise signal distribution. The MAX9392/MAX9393 multiplex one of two differential input pairs to either or both low-voltage differential signaling (LVDS) outputs for each channel. Independent enable inputs turn on or turn off each differential output pair.

Four LVCMOS/LVTTL logic inputs (two per channel) control the internal connections between inputs and outputs. This flexibility allows for the following configurations: 2 x 2 crosspoint switch, 2:1 mux, 1:2 splitter, or dual repeater. This makes the MAX9392/MAX9393 ideal for protection switching in fault-tolerant systems, loopback switching for diagnostics, fanout buffering for clock/data distribution, and signal regeneration.

Fail-safe circuitry forces the outputs to a differential low condition for undriven inputs or when the common-mode voltage exceeds the specified range. The MAX9392 provides high-level input fail-safe detection for LVDS, HSTL, and other GND-referenced differential inputs. The MAX9393 provides low-level input fail-safe detection for LVPECL, CML, and other VCC-referenced differential inputs.

Ultra-low 98ps(P-P) (max) pseudorandom bit sequence (PRBS) jitter ensures reliable communications in high-speed links that are highly sensitive to timing error, especially those incorporating clock-and-data recovery, or serializers and deserializers. The high-speed switching performance guarantees 1.5GHz operation and less than 67ps (max) skew between channels.

LVDS inputs and outputs are compatible with the TIA/EIA-644 LVDS standard. The LVDS outputs drive 100Ω loads. The MAX9392/MAX9393 are offered in a 32-pin TQFP package and operate over the extended temperature range (-40°C to +85°C).

Also see the MAX9390/MAX9391 for the crossflow version.

Data Sheet

Download this datasheet in PDF formatDownload Rev 1 (PDF, 192kB)
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An evaluation board is available: MAX9392EVKIT

Key Features

  • 1.5GHz Operation with 250mV Differential Output Swing
  • 2psRMS (max) Random Jitter
  • AC Specifications Guaranteed for 150mV Differential Input
  • Signal Inputs Accept Any Differential Signaling Standard
  • LVDS Outputs for Clock or High-Speed Data
  • High-Level Input Fail-Safe Detection (MAX9392)
  • Low-Level Input Fail-Safe Detection (MAX9393)
  • 3.0V to 3.6V Supply Voltage Range
  • LVCMOS/LVTTL Logic Inputs Control Signal Routing


  • Central Office Backplane Clock Distribution
  • Fault-Tolerant Systems
  • High-Speed Telecom/Datacom Equipment
  • Protection Switching

Key Specifications:

High-Speed Interconnect (Differential Signaling)
Part Number Signal Type Signal Type Functions Rx Tx tPD
Rx Tx max See Notes
LVDS Switch 4 4 565 3.3 $5.75 @1k
MAX9393  -
See All High-Speed Interconnect (Differential Signaling) (138)

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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX9392, MAX9393: Typical Operating Circuit
Typical Operating Circuit

More Information

New Product Press Release   2003-08-29 ]

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Information Index

Document Ref.: 19-2913 Rev 1; 2007-06-05
This page last modified: 2008-05-19