ASNT5050-KMC


ASNT5050-KMC View full size
  • High speed broadband 2:1 Multiplexer/Selector (MUX)
  • Exhibits low jitter and limited temperature variation over industrial temperature range
  • Ideal for use as a high isolation selector switch or as a high speed 2:1 serializer
  • Ideal for high speed proof-of-concept prototyping
  • Fully differential CML input interfaces
  • Fully differential CML output interface with 400mV single-ended swing
  • Single +3.3V or -3.3V power supply
  • Power consumption: 450mW
  • Fabricated in SiGe for high performance, yield, and reliability
  • Custom CQFP 24-pin package
Function Operating Frequency Power, mW Package
Broadband Digital 2:1 Multiplexer / Selector DC-32 Gbps 450 24-pin CQFP

DESCRIPTION

Fig. 1 Functional Block Diagram

The temperature stable and broadband ASNT5050-KMC SiGe IC can be utilized as either a high isolation selector switch or a high speed 2:1 multiplexer (MUX) and is intended for use in high-speed measurement / test equipment. When employed as a selector switch, ASNT5050-KMC can route one of its differential data input signals d0p/d0n or d1p/d1n to its differential output outp/outn while effectively blocking the other data input. Selection of a specific data input is achieved through an appropriate external DC biasing of the selector signal inputs cp/cn. As a 2:1 serializer, ASNT5050-KMC can receive high speed input data signals into d0p/d0n and d1p/d1n and effectively multiplex them into a double frequency rate NRZ output data signal to its differential output outp/outn by using a high speed input clock signal on its selector signal inputs cp/cn. The part’s I/Os support the CML logic interface with on chip 50Ω termination to vcc and may be used differentially, AC/DC coupled, single-ended, or in any combination. It operates from a single +3.3V or -3.3V power supply.

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