18QHTF21-42.53976-OE

Oscillators Overview

The 18QHTF21-42.53976-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 42.53976 MHz and utilizes LVCMOS output logic. The device is powered by a 1.8V supply voltage and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package designed for surface mount applications.

Oscillators Feature Summary

• LVCMOS output logic interface
• Enable/Disable control functionality
• Surface mount 4-SMD No Lead package

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 42.53976 MHz specification. Confirm the 1.8V operating voltage aligns with the target circuit design. Ensure the 4-SMD No Lead package footprint is compatible with the PCB layout. Check for any specific enable pin requirements in the schematic.

Oscillators Selection Notes

Select this component when a precise 42.53976 MHz clock source is required for low-voltage digital systems. The LVCMOS output is suitable for standard logic families. The enable feature allows for power management. Consider thermal performance within the specified operating range during selection.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. The 'OE' suffix typically denotes a specific ordering or packaging variant within the manufacturer's catalog structure.

Oscillators Replacement Considerations

Direct substitutes must match the 42.53976 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD No Lead package. Verify pinout compatibility and electrical characteristics before substitution.