18QHTF21-17.664-PD

Oscillators Overview

The 18QHTF21-17.664-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 17.664 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. This component is designed for timing applications requiring precise clock signals in space-constrained electronic systems.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated standby mode for power reduction
• Compact surface-mount package design

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing synchronization
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific ordering suffix to ensure the correct package variant and tape-and-reel configuration. Confirm that the 1.8V supply requirement aligns with the target system's voltage rails. Check for any specific temperature range requirements if operating outside standard industrial conditions. Ensure the LVCMOS output levels are compatible with the receiving logic inputs.

Oscillators Selection Notes

Select this component when a low-profile 4-pin SMD oscillator is required for 17.664 MHz applications. Consider the 1.8V supply constraint and LVCMOS output compatibility with the host processor. Evaluate the need for standby functionality to manage power consumption during idle periods. Compare physical dimensions against available PCB real estate to ensure proper fitment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and supply voltages in a consistent 4-SMD no-lead footprint. Mercury Electronics specializes in quartz crystals and timing components, providing solutions for consumer electronics and industrial applications.

Oscillators Replacement Considerations

Direct substitutes may include other 17.664 MHz LVCMOS oscillators in 2.0x1.6mm packages from manufacturers such as Epson, SiTime, or Micro Crystal. Verify pinout compatibility and electrical specifications before substitution.