Hittite has launched three logic devices which support 43–45 Gbps data transmission and clock rates up to 43 GHz. They have a wide range of applications and support many of the new and emerging optical, networking and storage area network (SAN) standards, including 100 GbE, 40G (D)QPSK and 100G DP-QPSK.
The HMC841LC4B is a D-type flip-flop that supports single-ended or differential operation and data transmission rates up to 43 Gbps. It operates with clock signals up to 43 GHz and the input is broadband from DC to 43 GHz. During normal operation, data is transferred to the outputs on the positive edge of the clock; reversing the clock inputs accommodates negative-edge triggered applications.
The HMC842LC4B is a 1:2 fanout buffer designed to support data transmission rates up to 45 Gbps and clock signals up to 28 GHz. The HMC843LC4B is easily configured to provide AND/NAND/OR/NOR functions supporting data transmission rates up to 45 Gbps and clock frequencies as high as 25 GHz.
The differential input and output signals of all three ICs are terminated with 50 Ω to ground on-chip and may be either AC or DC coupled.
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