18QHTF21-27.540-OE

Oscillators Overview

The 18QHTF21-27.540-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 27.54 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• LVCMOS output interface
• Enable/disable control capability
• Compact surface-mount form factor

Oscillators Applications

• General clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific suffix OE against official Mercury documentation to confirm enable/disable pin configuration and electrical characteristics. Ensure the 1.8V supply requirement aligns with target system rails. Confirm package footprint compatibility during PCB layout review.

Oscillators Selection Notes

Select this component when a low-voltage 27.54 MHz clock source with power control is required. Consider the 2.0x1.6mm footprint constraints. Verify temperature range specifications if operating in extreme environments compared to standard industrial ranges.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and supply voltages. The -OE suffix typically denotes specific enable/disable pinout configurations within the product line.

Oscillators Replacement Considerations

Direct substitutes include other 27.54 MHz LVCMOS oscillators in 2.0x1.6mm packages with 1.8V operation. Verify pin-to-pin compatibility and enable function mapping before substitution.