18QHTF21-24.806-PD

Oscillators Overview

The 18QHTF21-24.806-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 24.806 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down (standby) function to reduce consumption when inactive. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby mode for power management
• Provides standard LVCMOS signal output

Oscillators Applications

• General-purpose clock generation in embedded systems
• Timing reference for digital logic circuits
• Signal synchronization in communication modules

Oscillators Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your system design before procurement. Ensure the PCB footprint matches the 2.0x1.6 mm SMD package dimensions. Confirm that the 1.8V supply rail meets the current sourcing capabilities required during active oscillation states.

Oscillators Selection Notes

Select this component when a precise 24.806 MHz timing source is required within space-constrained designs. The choice depends on the compatibility of the LVCMOS interface with the target processor or FPGA inputs. Consider the thermal environment and the necessity of the power-down feature for battery-operated applications.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on small-form-factor oscillators. The series typically offers various frequencies within the same physical footprint, allowing for design flexibility while maintaining consistent board layout standards across different product variants.

Oscillators Replacement Considerations

Direct substitutes must match the 24.806 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6 mm package. Verify pinout compatibility and electrical characteristics such as rise/fall times and duty cycle stability before swapping.