18QHTF21-50.0467-PD

Overview

The 18QHTF21-50.0467-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 50.0467 MHz with LVCMOS output logic. The device supports a supply voltage of 1.8V and features a standby power-down function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. The unit exhibits a frequency stability of ±50ppm and functions within an operating temperature range of -40°C to 85°C. Maximum supply current is rated at 24mA.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby power-down capability
• Compact surface-mount form factor

Applications

• General electronic circuit timing
• Embedded system clock generation
• Portable device synchronization

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply rail is stable and within the specified limits to ensure reliable oscillator performance. Ensure the PCB footprint matches the 2.0x1.6mm SMD package dimensions for proper assembly.

Selection Notes

Select this component when a precise 50.0467 MHz clock signal is required for low-power applications. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the ±50ppm stability specification for systems sensitive to frequency drift over the industrial temperature range.

Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequency options within a small footprint, designed for space-constrained electronics. The 'PD' suffix indicates the inclusion of a power-down control feature, allowing for energy savings when the clock is not actively needed.

FAQ

What is the output logic type?

The output logic is LVCMOS.

Does the device support power saving modes?

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