18QHTF21-6.7888-PD

Overview

The 18QHTF21-6.7888-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 6.7888 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby power-down mode for energy efficiency. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Standby power-down mode to reduce consumption
• Compact 4-SMD no lead surface mount package

Applications

• Portable electronic devices requiring low power
• Battery-operated consumer electronics
• General purpose clock signal generation

Procurement Notes

Verify the specific ordering suffix matches the required frequency and package type. Confirm that the LVCMOS output and 1.8V supply voltage align with the target circuit design requirements before finalizing procurement orders.

Selection Notes

Select this component when a precise 6.7888 MHz clock source is needed with minimal power consumption. The 1.8V operation makes it suitable for modern low-voltage digital systems. Ensure the PCB footprint accommodates the 2.0x1.6mm SMD package dimensions.

Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronic. The series offers various frequencies and supply voltages, providing standardized timing solutions for embedded applications requiring reliable frequency control.

Replacement Considerations

Direct substitutes must match the 6.7888 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify pinout compatibility and electrical specifications before cross-referencing with other manufacturers' offerings.