18QHTF21-21.620-OE

Oscillators Overview

The 18QHTF21-21.620-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 21.62 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features enable/disable control functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable control capability
• Compact surface-mount package design

Oscillators Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application's specifications before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout constraints to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a precise 21.62 MHz reference frequency. The LVCMOS output ensures direct interfacing with standard digital logic families without additional level shifting. Consider the small form factor for space-constrained designs requiring reliable clock signals with enable/disable flexibility.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz-based frequency control products. The series includes various oscillators such as XO, TCXO, and VCXO types. Mercury Electronic has extensive experience in manufacturing these components, positioning them as key suppliers for precision timing applications across multiple industries.

Oscillators Replacement Considerations

Direct substitutes include other 21.62 MHz LVCMOS oscillators with identical 1.8V supply and 4-SMD no-lead packaging. Verify pinout compatibility and electrical parameters such as phase noise and jitter before substitution to ensure seamless integration into existing designs.