HMC844LC4B

Gates And Inverters - Multi-Function, Configurable Overview

The HMC844LC4B is a high-speed XOR/XNOR logic gate designed for data transmission rates up to 45 Gbps and clock frequencies as high as 25 GHz. It operates from a single -3.3V DC supply with a typical current consumption of 155 mA, resulting in power dissipation of 510 mW. The device features programmable differential output voltage swing ranging from 200 to 850 mVp-p via the VAC pin. It utilizes a 24-lead, 4x4 mm ceramic SMT package with gold over nickel plating.

Gates And Inverters - Multi-Function, Configurable Feature Summary

• Configurable XOR or XNOR logic function
• Programmable output amplitude control
• Supports both differential and single-ended operation
• On-chip 50 Ohm input termination

Gates And Inverters - Multi-Function, Configurable Applications

• RF ATE Applications
• Broadband Test & Measurement
• Serial Data Transmission up to 45 Gbps
• Digital Logic Systems up to 25 GHz

Gates And Inverters - Multi-Function, Configurable Procurement Notes

Verify component authenticity through authorized Analog Devices channels. Confirm RoHS compliance and MSL3 rating requirements during storage and handling. Ensure proper ESD precautions are observed due to sensitivity. Validate that the alumina package and lead finish meet specific thermal and mechanical constraints for the target PCB assembly process.

Gates And Inverters - Multi-Function, Configurable Selection Notes

Select this component when implementing high-speed exclusive logic functions requiring precise signal level optimization. The integrated amplitude control allows for loss compensation in high-frequency traces. Consider the 4x4 mm footprint and ceramic construction for applications demanding robust thermal management and compact layout within dense RF systems.

Gates And Inverters - Multi-Function, Configurable Part Context

Manufactured by Analog Devices (formerly Hittite Microwave Corporation), the HMC844LC4B belongs to the High Speed Logic family. It is housed in a white alumina package with gold over nickel leads, marked with 'H844' and a four-digit lot number. The device is electrostatic sensitive and requires adherence to Class 1A ESD handling standards.

Gates And Inverters - Multi-Function, Configurable Replacement Considerations

HMC851LC3CTR is listed as a similar replacement option.