MC10EP451FA

Flip Flops Overview

The MC10EP451FA is a 6-bit fully differential D-type register with a single-ended Master Reset, manufactured by onsemi. It operates within the 3.3 V/5 V ECL logic family and supports PECL (VCC = 3.0 V to 5.5 V) and NECL (VEE = −3.0 V to −5.5 V) modes. The device features a typical propagation delay of 330 ps at 3 GHz, with internal 75 kΩ input pulldown resistors and safety clamps. It is housed in a 32-lead LQFP package (CASE 561AB) and operates across a temperature range of −40°C to +85°C.

Flip Flops Feature Summary

• 6-Bit Differential Register: Contains six independent D-type flip-flops with common clock and single-ended Master Reset inputs.
• High-Speed Performance: Supports frequencies up to 3.0 GHz with typical propagation delays of 330 ps and low skew (20 ps within-device).
• Flexible Power Supply: Compatible with PECL (3.0 V–5.5 V) and NECL (−3.0 V to −5.5 V) operating ranges.
• Safety Features: Includes internal 75 kΩ input pulldown resistors, open-input default LOW state, and input safety clamps.

Flip Flops Applications

• Very high frequency registered data paths requiring differential signaling.
• Clock distribution networks utilizing ECL logic families.
• Serial-to-parallel conversion systems operating at multi-gigabit rates.

Flip Flops Procurement Notes

Verify the FA suffix indicates the LQFP-32 package variant. Confirm RoHS compliance status for specific manufacturing lots. Ensure thermal management meets junction-to-ambient resistance requirements for the target airflow conditions.

Flip Flops Selection Notes

Select this component when a 6-bit differential register with asynchronous reset is required. Compare against MC100EP451 for temperature-compensated variants. Ensure supply voltage aligns with PECL or NECL specifications and that PCB layout accommodates the 32-LQFP footprint.

Flip Flops Part Context

Part of the 10EP series of 3.3 V/5 V ECL devices. The MC10EP451 provides standard performance, while the MC100EP451 offers improved temperature compensation. Both share identical pinouts and functional descriptions.

Flip Flops Replacement Considerations

MC100EP451FAG: Temperature-compensated version with identical pinout and function.

Flip Flops FAQ

What happens if differential inputs are left open?

Unused differential inputs will default to a LOW state due to internal 75 kΩ pulldown resistors.

What is the maximum operating frequency?

The device supports typical operation up to 3.0 GHz.

How does the Master Reset function?

It is an asynchronous single-ended input that resets all six registers regardless of the clock signal.