Wireless Design & Development

Product Releases

SMT D-Type Flip-Flop Ideal for 40/100 GbE, 40G DQPSK, 100G DP-QPSK, 14G Fiber Channel & Infiniband EDR
Wed, 03/17/2010 - 10:48am
Hittite Microwave Corporation, the world class supplier of complete MMIC based solutions for communication & military markets, has launched its first D-Type Flip-Flop which supports 28 Gb/s data transmission and clock rates up to 28 GHz.

The HMC853LC3C is well suited for a wide range of applications, and supports many of the new and emerging optical, networking, and storage area network (SAN) standards including: 40/100 GbE, 40G (D)QPSK ,100G DP-QPSK, 14G Fiber Channel and Infiniband EDR.

The HMC853LC3C is a D-Type Flip-Flop which supports single-ended or differential operation, data transmission rates up to 28 Gb/s. The device operates with clock signals up to 28 GHz, and the input is broadband from DC to 28 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 HMC853LC3C also features an output level control pin, which allows for signal loss compensation or optimization, allowing the differential output voltage swing to be adjusted from 700 mVp-p to 1300 mVp-p.

Differential input signals to the HMC853LC3C are terminated with 50 Ohms to ground on-chip, and may be either AC or DC coupled. The differential outputs may also be either AC or DC coupled and can be connected directly to a 50 Ohm to ground terminated system; DC blocking capacitors may be used if the terminating system is 50 Ohms to a non-ground DC voltage.

Propagation delay from clock-to-data output is typically 101 ps, while rise and fall times are 15 ps and 14 ps respectively. Also ideal for high performance, broadband test applications, the HMC853LC3C exhibits only 2 ps p-p of deterministic jitter, and less than 0.2 ps of additive random jitter.

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