18QHTF21-14.3187-OE

Oscillators Overview

The 18QHTF21-14.3187-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 14.3187 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This series supports various frequencies within the standard XO category.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable functionality for power management
• Compact 4-SMD no-lead surface mount package design

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 14.3187 MHz specification, as the 18QHTF21 series offers multiple frequency options. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the LVCMOS output level is compatible with the receiving logic inputs. Check for RoHS compliance status if environmental regulations apply to the assembly process.

Oscillators Selection Notes

Select this component when a precise 14.3187 MHz clock source is needed for low-voltage digital circuits. The 1.8V operating voltage makes it suitable for modern portable or energy-efficient designs. The enable pin allows for dynamic power control, which is beneficial for battery-operated devices. The small 2.0x1.6mm footprint aids in high-density PCB layouts where space is constrained.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals and oscillators. The 18QHTF21 series represents their standard XO lineup, offering various frequencies in a small SMD package. This part number specifically denotes the 14.3187 MHz variant within that family, sharing common electrical characteristics with other models in the series.

Oscillators Replacement Considerations

Direct substitutes include other 14.3187 MHz LVCMOS oscillators in 4-SMD 2.0x1.6mm packages from manufacturers like Epson, NDK, or SiTime. Verify pinout compatibility and supply voltage tolerance before substitution. Ensure the replacement meets the same temperature range and load capacitance requirements.