18QHTF21-83.6658-PD

Overview

The 18QHTF21-83.6658-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 83.6658 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down mode capability. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output logic for digital interfacing

Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 83.6658 MHz
• Compact embedded devices utilizing SMD packaging

Procurement Notes

Verify the specific operating temperature range and frequency stability specifications directly from the official datasheet before integration. Confirm that the 1.8V supply requirement aligns with the target system's power architecture. Ensure the 4-SMD no-lead package footprint matches the PCB design constraints to guarantee proper soldering and mechanical reliability.

Selection Notes

Select this component when a precise 83.6658 MHz clock source is required within a minimal footprint. The choice is appropriate for applications necessitating LVCMOS compatibility and low-power standby modes. Consider the 1.8V supply constraint during system design to ensure voltage level matching with connected logic components.

Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized 2.0x1.6mm package. The manufacturer has extensive experience in quartz crystal production, providing reliable frequency control solutions for consumer and industrial electronics markets.

Replacement Considerations

Direct substitutes must match the 83.6658 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions. Verify electrical parameters against the original datasheet to ensure functional equivalence in timing-sensitive applications.