18QHTF21-84.000-PD

Overview

The 18QHTF21-84.000-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 84 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. This component is designed for timing applications requiring precise clock signals within specified operating temperature ranges.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated standby mode to reduce power consumption
• Compact surface-mount package design

Applications

• General purpose timing circuits
• Digital signal processing systems
• Communication equipment clock sources

Procurement Notes

Verify the specific datasheet version from Mercury Electronics Ind. Co. Ltd to confirm exact operating temperature ranges and load capacitance requirements. Ensure that the 1.8V supply voltage aligns with the target system's power rails. Confirm that the 4-SMD no-lead package footprint matches the PCB layout specifications before finalizing procurement orders.

Selection Notes

Select this model when an 84 MHz clock signal is required with low voltage operation. The LVCMOS output ensures compatibility with standard digital logic families. Consider the standby feature if power efficiency is a priority. The small form factor suits space-constrained designs. Verify that the manufacturing source is authorized to ensure component authenticity.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent packaging and electrical characteristics. Mercury Electronic is a Taiwan-based manufacturer specializing in quartz crystals and oscillators. The 18QHTF21 series provides standard performance levels suitable for general electronic applications.

Replacement Considerations

Compatible substitutes include other 84 MHz LVCMOS oscillators in 2.0x1.6mm packages from different manufacturers. Ensure equivalent supply voltage and output logic levels. Verify pinout compatibility for direct replacement. Check frequency stability specifications against original requirements.