18QHTF21-14.690-PD

Oscillators Overview

The 18QHTF21-14.690-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 14.69 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 2.0 x 1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Features LVCMOS output logic compatibility
• Includes standby mode for power reduction

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Communication systems utilizing standard clock signals
• Embedded control circuits needing precise timing references

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required system clock speed. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the 4-SMD no-lead package footprint fits the PCB layout constraints. Check for RoHS compliance status if environmental regulations apply to the final assembly process.

Oscillators Selection Notes

Select this component when a small form factor oscillator is required for 1.8V logic interfaces. Consider the LVCMOS output level for direct interfacing with compatible digital inputs. Evaluate the thermal performance within the specified operating temperature range. Compare against other frequencies in the 18QHTF21 series if alternative clock speeds are needed.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequency options within a standardized 2.0x1.6 mm package. These components are designed for applications demanding stable clock signals in space-constrained environments. The manufacturer specializes in quartz crystal products with extensive industry experience.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical package and voltage specifications but different frequency suffixes, such as 18QHTF21-14.680064-OE, provided the frequency difference is acceptable for the application.