18QHTF21-22.577-PD

Oscillators Overview

The 18QHTF21-22.577-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 22.577 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V with LVCMOS output compatibility
• Integrates a standby mode to reduce power consumption during idle periods
• Utilizes a small-footprint surface-mount package for space-constrained designs

Oscillators Applications

• Digital signal processing clock sources
• Communication equipment timing references
• Embedded system microcontroller clocks

Oscillators Procurement Notes

Verify the specific datasheet for the 18QHTF21-22.577-PD to confirm exact electrical parameters such as frequency stability, load capacitance, and drive level requirements. Ensure that the 1.8V supply voltage aligns with the target circuit design. Confirm package compatibility with PCB footprint specifications before integration.

Oscillators Selection Notes

Select this component when a precise 22.577 MHz reference is required with low power consumption constraints. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the 1.8V operating voltage and standby feature for battery-powered or energy-efficient applications requiring minimal quiescent current.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides stable frequency generation solutions. The manufacturer specializes in quartz crystals and oscillators, offering various packages and frequencies. The 18QHTF21 series indicates a specific form factor and performance tier within their product line, designed for modern electronic systems requiring reliable timing.

Oscillators Replacement Considerations

Direct substitutes include other 22.577 MHz LVCMOS oscillators in similar SMD packages from compatible manufacturers. Verify pinout compatibility and voltage levels. Cross-reference with Mercury's own variants like the 3QHTF22 series if voltage differences are acceptable.