MC10E457FNG

Overview

The MC10E457FNG is a 5 V ECL triple differential 2:1 multiplexer in a PLCC-28 package. It features a fully differential data path with >1.0 GHz bandwidth and 700 ps maximum propagation delay. Operating ranges include PECL (VCC = 4.2 V to 5.7 V, VEE = 0 V) and NECL (VCC = 0 V, VEE = −4.2 V to −5.7 V). The device includes internal input clamps, 50 kΩ pulldown resistors, and an internally generated VBB reference voltage. Moisture sensitivity is Level 3.

Feature Summary

• Fully differential data path designed for low skew clock or skew-sensitive signal multiplexing
• Internal clamp structures force unused gate outputs to LOW state when inputs are open
• Provides both separate and common select inputs for flexible data path and random logic applications
• Includes internally generated VBB reference voltage pins to ease AC coupling of input signals

Applications

• Multiplexing low skew clock signals
• Skew-sensitive signal routing
• Random logic applications requiring differential inputs

Procurement Notes

Verify the specific suffix 'FN' corresponds to the PLCC-28 package configuration required for your PCB footprint. Confirm that the design supports the specified dual-supply voltage requirements for either PECL or NECL modes. Ensure proper decoupling of VBB and VCC pins using 0.01 µF capacitors if the reference voltage is utilized for AC-coupled inputs. Check current sourcing limits on VBB pins to remain within 0.5 mA specifications.

Selection Notes

Select this component when differential signaling integrity is critical for system timing. The device accommodates both individual channel selection and a global common select line. Verify compatibility with existing ECL power supply architectures. Consider the thermal resistance characteristics of the PLCC-28 package for heat dissipation requirements in the target enclosure.

Part Context

This part belongs to the MC10E series of high-speed ECL logic devices manufactured by onsemi. It is functionally related to the MC100E457, which offers temperature compensation. The device utilizes a 28-lead Plastic Leadless Chip Carrier (PLCC) package, designated as Case 776-02, suitable for surface-mount assembly.

Replacement Considerations

MC100E457FNG