18QHTF21-67.128-PD

Overview

The 18QHTF21-67.128-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 67.128 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 2.0x1.6 mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Integrates standby mode for power reduction
• Provides LVCMOS signal compatibility

Applications

• General clock generation in embedded systems
• Timing reference for digital communication interfaces
• Power-sensitive portable electronic devices

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct configuration. Confirm that the required frequency tolerance and load capacitance match the target circuit design requirements before finalizing procurement orders.

Selection Notes

Select this component when a precise 67.128 MHz timing source is required within space-constrained designs. Ensure the host system supports the specified 1.8V logic levels and can accommodate the small footprint of the 4-SMD package for optimal integration.

Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and packages, designed for applications requiring reliable timing signals in minimal board space while maintaining low power consumption profiles.

Replacement Considerations

Direct substitutes include other 67.128 MHz LVCMOS oscillators in 2.0x1.6mm packages. Verify pinout compatibility and electrical specifications such as current consumption and startup time before swapping components.