18QHTF21-14.750-PD

Oscillators Overview

The 18QHTF21-14.750-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 14.75 MHz and utilizes LVCMOS output logic. The component requires a 1.8V supply voltage and includes a power-down feature for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This surface-mount device is designed for timing applications requiring precise clock signals within specified operating temperature ranges.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down functionality for energy management
• Provides LVCMOS output signal compatibility

Oscillators Applications

• General-purpose digital timing circuits
• Embedded system clock generation
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific orderable part number against the manufacturer's current catalog to ensure availability and correct revision status. Confirm that the 1.8V supply requirement aligns with the target system design. Check for RoHS compliance documentation if environmental regulations apply to the end product. Ensure the 4-SMD package footprint matches the PCB layout constraints.

Oscillators Selection Notes

Select this component when a 14.75 MHz clock source is required with low power consumption capabilities. The 1.8V operating voltage makes it suitable for modern low-power digital logic families. The small 2.0x1.6 mm package allows for dense board layouts. Consider the LVCMOS output level when interfacing with downstream logic gates or microcontrollers.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies in a standardized SMD form factor. The series typically supports LVCMOS outputs and low-voltage operation. Similar models in the lineup include variants with different frequencies such as 3.796875 MHz or 18.1059 MHz, sharing the same physical package and electrical characteristics.

Oscillators Replacement Considerations

Direct substitutes may include other 14.75 MHz XO components in 4-SMD packages with 1.8V operation and LVCMOS outputs. Verify pinout compatibility and thermal performance before substitution. Cross-reference with Mercury Electronics' official replacement guide for approved equivalents.