18QHTF21-4.655-PD

Oscillators Overview

The 18QHTF21-4.655-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 4.655 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 2.0x1.6mm.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• General electronic timing circuits
• Embedded system clock generation
• Portable consumer electronics

Oscillators Procurement Notes

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

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a precise 4.655 MHz reference signal. The LVCMOS output ensures compatibility with standard digital logic families. Consider the small 2.0x1.6mm form factor if space constraints are critical within the target application environment.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals and oscillators. The company has a long history in the industry, producing components for various timing applications. This part belongs to their series of standard XO devices designed for modern electronic systems requiring reliable clock signals.

Oscillators Replacement Considerations

Direct substitutes include other 4.655 MHz LVCMOS oscillators from Mercury Electronics such as the 18QHTF21-4.655-PD variant with different tolerances. Cross-reference with similar 4-SMD packages from other manufacturers ensuring identical voltage and pinout configurations.