18QHTF21-64.950-PD

Overview

The 18QHTF21-64.950-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 64.95 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down control feature. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby and power-down functionality
• Provides LVCMOS output signal compatibility

Applications

• General clock generation for digital circuits
• Timing reference for communication interfaces
• Embedded system clock sources

Procurement Notes

Verify the specific ordering suffix to ensure the correct package variant and tape-and-reel configuration are selected. Confirm that the 1.8V supply voltage aligns with the target circuit design requirements before procurement. Ensure the 64.95 MHz frequency matches the system timing specifications exactly.

Selection Notes

Select this component when a precise 64.95 MHz clock source is required for low-power applications. The small 2.0x1.6mm footprint makes it suitable for space-constrained designs. Consider the LVCMOS interface compatibility with the receiving logic gates in the target application.

Part Context

This part belongs to the Mercury Electronics SMD oscillator series designed for surface-mount assembly. The manufacturer specializes in quartz-based frequency control products, including crystals and oscillators, with a long history in the industry.

Replacement Considerations

Cross-reference other models within the 18QHTF21 series from Mercury Electronics for alternative frequencies. Verify pinout and electrical characteristics against competitors' offerings if sourcing from different manufacturers.

FAQ

What is the output logic type?

The device uses LVCMOS output logic.

Does the component support power management?

Yes, it features a standby (power down) function.