18QHTF21-43.680-PD

Oscillators Overview

The 18QHTF21-43.680-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 43.68 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and features a standby or power-down capability for energy management. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode functionality
• Provides LVCMOS signal output

Oscillators Applications

• Digital clock generation
• Microcontroller system timing
• Communication interface synchronization

Oscillators Procurement Notes

Verify the specific orderable part number against the manufacturer's current catalog to ensure availability and compliance with latest specifications. Confirm that the required operating temperature range and load capacitance match the target design requirements before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a precise 43.68 MHz reference is required for low-power applications. The choice depends on the necessity for LVCMOS compatibility and the physical space constraints defined by the 2.0x1.6mm footprint. Ensure the system design supports the 1.8V supply rail and utilizes the power-down feature if idle periods are frequent.

Oscillators Part Context

This model belongs to the Mercury Electronics XO series, designed for general-purpose timing needs. The 'PD' suffix indicates the inclusion of a power-down control pin, distinguishing it from continuous-operation variants within the same frequency and package family.

Oscillators Replacement Considerations

Direct substitutes must match the 43.68 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and thermal characteristics before swapping with other manufacturers' offerings.

Oscillators FAQ

What is the output logic type?

The device uses LVCMOS output logic.

Does this oscillator support power saving?

Yes, it includes a standby or power-down function.