18QHTF21-4.754687-OE

Oscillators Overview

The 18QHTF21-4.754687-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 4.754687 MHz with an LVCMOS output logic level. The device requires a supply voltage of 1.8V and features an Enable/Disable function for power management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications. The unit supports operation within a temperature range of -40°C to 85°C.

Oscillators Feature Summary

• Integrated Enable/Disable functionality for active power control
• LVCMOS output interface compatible with digital logic circuits
• Compact 4-SMD No Lead surface-mount package design

Oscillators Applications

• General purpose timing reference for embedded systems
• Clock signal generation for low-power consumer electronics
• Data communication interfaces requiring stable frequency sources

Oscillators Procurement Notes

Verify the specific suffix 'OE' against official Mercury Electronics documentation to confirm the exact enable/disable configuration and pinout. Ensure the required 1.8V supply voltage aligns with the target system's power rails before integration. Cross-reference the operating temperature range with environmental specifications to guarantee reliability under intended conditions.

Oscillators Selection Notes

Select this component when a precise 4.754687 MHz clock source is required with minimal footprint constraints. The LVCMOS output simplifies interfacing with standard digital logic without additional buffering. Consider the 1.8V supply requirement and enable feature for power-sensitive designs where dynamic power management is necessary.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co., Ltd, a supplier specializing in quartz crystals and oscillators. The series utilizes a base crystal resonator to generate stable frequencies. Mercury Electronics has established itself as a pioneer in the Taiwan frequency-control industry, offering various timing solutions including TCXOs and VCTCXOs.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants such as 18QHTF21-6.300-OE or 18QHTF21-26.66875-PD if different frequencies are acceptable. Verify that replacement parts maintain the same LVCMOS output type, 1.8V supply voltage, and Enable/Disable functionality to ensure circuit compatibility.