18QHTF21-3.680-PD

Oscillators Overview

The 18QHTF21-3.680-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 3.68 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby power-down mode to conserve energy. 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
• Includes standby power-down functionality
• Utilizes LVCMOS output logic levels
• Features a compact surface-mount package

Oscillators Applications

• Battery-powered portable devices
• General-purpose digital timing circuits
• Embedded systems requiring low-power clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific temperature range limitations if operating in extreme environments.

Oscillators Selection Notes

Select this component when a precise 3.68 MHz clock signal is required for low-power applications. The LVCMOS interface ensures compatibility with standard digital logic families. The standby feature makes it suitable for devices with sleep modes. Consider the small form factor for space-constrained designs.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The 'PD' suffix typically indicates the inclusion of a power-down control pin or function. These components are widely used in consumer electronics and industrial controls.

Oscillators Replacement Considerations

Direct replacements must match the 3.68 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify electrical parameters such as jitter and phase noise if critical. Ensure the replacement supports the same standby functionality.