MK5814CMLFT

Overview

The MK5814CMLFT is a low EMI clock generator manufactured by Renesas Electronics (formerly IDT). It generates a spread spectrum output clock from a clock or crystal input using analog and digital PLL technology. The device features a fixed 4x frequency multiplication, accepting an input frequency range of 4 to 32 MHz and producing an output range of 16 to 128 MHz. It operates at 3.3 V with advanced low-power CMOS process technology. Key electrical parameters include a supply current of 25 mA typical at 12 MHz input, cycle-to-cycle jitter of 380 ps max, and EMI peak reduction of 8 to 16 dB on odd harmonics.

Feature Summary

• Fixed 4x frequency multiplication with input range 4-32 MHz and output range 16-128 MHz
• Spread spectrum capability with center and down spread options for EMI reduction
• EMI peak reduction of 8 to 16 dB typical on 3rd through 19th odd harmonics
• Tri-level select pins (S1, S0) for configurable spread direction and percentage

Applications

• Printers
• Flat panel controllers
• Consumer applications requiring low EMI clocks

Procurement Notes

The MK5814CMLFT is listed as obsolete or discontinued in public distributor records. Verification of availability requires checking specific supplier channels for remaining stock or end-of-life notifications. The 'LF' suffix indicates a lead-free, RoHS-compliant configuration packaged in tape and reel format.

Selection Notes

Select the MK5814CMLFT when a fixed 4x multiplier is required for low EMI clock generation. Ensure the input frequency falls within the 4 to 32 MHz range. Verify that the 3.3 V operating voltage aligns with the system design. Consider the MK5811C (1x) or MK5812 (2x) if different multiplication factors are needed.

Part Context

The MK5814C belongs to the IDT/ICS Low EMI Clock Generator family. It is part of a series that includes the MK5811C and MK5812, which offer 1x and 2x multiplication respectively. The device utilizes proprietary mixed-signal PLL technology to dither high-emission clocks, reducing spectral peaks for compliance in consumer electronics.

Replacement Considerations

Public documentation identifies the MK5811C (1x multiplier) and MK5812 (2x multiplier) as related parts within the same family. No direct pin-compatible substitutes with identical specifications are confirmed in the provided source material.