18QHTF21-20.83333-PD

Oscillators Overview

The 18QHTF21-20.83333-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 20.83333 MHz and utilizes LVCMOS output logic levels. The device is designed for a supply voltage of 1.8V and features a power-down function accessible via a standby control pin. The component 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
• Utilizes LVCMOS output interface

Oscillators Applications

• Embedded systems requiring precise clock signals
• Portable electronic devices with power constraints
• Communication modules utilizing standard frequencies

Oscillators Procurement Notes

Verify the exact operating temperature range and load capacitance requirements against your specific circuit design before procurement. Confirm that the 1.8V supply rail is stable and within tolerance to ensure frequency accuracy. Ensure the PCB layout accommodates the 2.0x1.6 mm footprint and no-lead package specifications to guarantee reliable soldering and performance.

Oscillators Selection Notes

Select this component when a 20.83333 MHz reference is required in space-constrained applications. The 1.8V supply requirement makes it suitable for modern low-power digital circuits. Consider the LVCMOS output compatibility with downstream logic inputs. The power-down feature aids in energy efficiency strategies for battery-operated equipment.

Oscillators Part Context

This part belongs to the 18QHTF series of surface-mount oscillators from Mercury Electronics. The series offers various frequency options in a standardized small outline package. The 'PD' suffix indicates the inclusion of a power-down control capability, distinguishing it from continuous-output variants within the same physical form factor.

Oscillators Replacement Considerations

Direct substitutes must match the 20.83333 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6 mm footprint. Verify equivalent electrical characteristics such as phase noise and stability if available.