18QHTF21-21.875-PD

Oscillators Overview

The 18QHTF21-21.875-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 21.875 MHz and utilizes the LVCMOS output logic level. The device supports a supply voltage of 1.8V and features a Standby (Power Down) function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output logic levels for digital interface compatibility
• Integrates a standby mode to reduce power consumption during idle periods
• Utilizes a leadless SMD package for automated surface-mount assembly

Oscillators Applications

• Computing systems requiring precise clock synchronization
• Communication equipment utilizing standard timing references
• Consumer electronics with low-voltage power constraints

Oscillators Procurement Notes

Verify the specific suffix 'PD' confirms the presence of the standby functionality when sourcing this component. Ensure that the 1.8V supply requirement aligns with the target circuit design. Confirm the 4-SMD no-lead package dimensions match the PCB footprint specifications before finalizing procurement orders.

Oscillators Selection Notes

Select this model when a 21.875 MHz reference signal is required within a 1.8V system environment. The choice is appropriate for designs necessitating active power-down capabilities to extend battery life or manage thermal loads. Consider the leadless package format if space constraints dictate a minimal board area usage.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer established in 1973, recognized as a pioneer in the quartz crystal industry. The company specializes in producing frequency control products, including crystals and oscillators, serving computing and communication sectors with high-quality standards.

Oscillators FAQ

What is the output logic type for this oscillator?

The 18QHTF21-21.875-PD utilizes LVCMOS output logic.

Does this component support power management features?

Yes, it includes a Standby (Power Down) function controlled via the enable/disable pin.