18QHTF21-14.1875-PD

Oscillators Overview

The 18QHTF21-14.1875-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 14.1875 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby mode with power-down capability. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0mm x 1.6mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Supports standby operation via power-down control signal
• Utilizes a low-profile surface-mount package design

Oscillators Applications

• Digital clock generation for embedded systems
• Timing reference for communication interfaces
• Synchronization source for data processing circuits

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the system design specifications before procurement. Confirm that the 1.8V supply voltage aligns with the target circuit's power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to guarantee proper assembly and electrical connection during manufacturing.

Oscillators Selection Notes

Select this component when a precise 14.1875 MHz timing source is required for low-voltage digital applications. The choice is driven by the need for LVCMOS compatibility and the availability of a power-down feature for energy management. Consider the physical size constraints of the 2.0x1.6mm package when evaluating board layout options.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which focuses on small form-factor timing solutions. The series supports various frequencies and output types, catering to diverse electronic design needs. The PD suffix indicates the inclusion of a power-down pin for standby functionality within this specific product line.

Oscillators Replacement Considerations

Direct replacements must match the 14.1875 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify equivalent performance characteristics such as phase noise and stability if substituting with components from other manufacturers.