Hittite Microwave

Timer integrated circuit
Hittite Microwave

  • timer integrated circuit Hittite Microwave
The HMC856LC5 is a wideband time delay with a 5-bit digital control designed for timing compensation or clock skew management applications. The time delay provides nearly 100 ps of delay range with 3 ps resolution and supports 28 Gbps data. The monotonic delay is compensated for stable operation over both power supply and temperature variation. The delay is DC coupled and supports broadband operation.

The data inputs to the HMC856LC5 are terminated onchip with 50-Ohms to the positive supply, GND, and may be DC or AC coupled. The differential outputs are source terminated to 50-Ohms and may be AC or DC coupled. The control lines B4:B0 are differential CML inputs terminated with 600 Ohms to the positive rail, which supports lower power control options. The HMC856LC5 features an output level control pin, VR, which allows for loss compensation or signal level optimization. The HMC856LC5 operates from a single -3.3V supply and is available in ROHS compliant 5x5 mm SMT package.



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