18QHTF21-21.530-PD

Oscillators Overview

The 18QHTF21-21.530-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 21.53 MHz and utilizes LVCMOS output logic. The device is designed for low power consumption, featuring a supply voltage of 1.8V and a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. This component serves as a precise clock source for digital circuits requiring stable timing signals.

Oscillators Feature Summary

• LVCMOS output logic for standard digital interface compatibility
• Integrated standby mode enabling power down capability
• Compact surface-mount package design suitable for space-constrained applications

Oscillators Applications

• General purpose clock generation for embedded systems
• Timing reference for microcontrollers and processors
• Digital signal processing circuit synchronization

Oscillators Procurement Notes

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

Oscillators Selection Notes

Select this oscillator when a 21.53 MHz frequency is required with LVCMOS outputs. Consider the 1.8V operating voltage and standby feature for power-sensitive designs. Evaluate the 2.0x1.6mm package size against available board space. Compare performance against other Mercury oscillators if different frequencies or voltages are needed.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard crystal oscillators for various timing applications. The manufacturer specializes in quartz crystals and frequency control products, offering a range of oscillators including TCXO and VCTCXO options for different stability requirements.

Oscillators Replacement Considerations

Direct substitutes include other 21.53 MHz LVCMOS oscillators from Mercury Electronics with identical package dimensions and voltage ratings. Verify pinout compatibility and electrical characteristics such as phase noise and jitter when considering alternative manufacturers.