18QHTF21-24.545451-OE

Oscillators Overview

The 18QHTF21-24.545451-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 24.545451 MHz and utilizes LVCMOS output logic. The device functions on a 1.8V supply voltage and includes enable/disable control functionality. It is housed in a compact 4-SMD, No Lead package with surface mount mounting type. The component supports an operating temperature range of -40°C to 85°C and exhibits a frequency stability of ±50ppm. Maximum supply current is rated at 22mA.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable control functionality
• Surface mount construction in a leadless SMD package

Oscillators Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded microcontroller timing sources

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required system timing specification, as variations exist within the 18QHTF21 series. Confirm that the 1.8V supply voltage aligns with the target circuit design. Ensure the LVCMOS output level is compatible with downstream logic inputs. Check that the operating temperature range meets environmental requirements. Validate the package dimensions against PCB footprint constraints.

Oscillators Selection Notes

Select this component when a precise 24.545451 MHz reference is required for LVCMOS-based digital circuits. Consider the ±50ppm stability for applications tolerant of moderate frequency drift. The enable/disable feature allows for power management strategies in battery-operated devices. Evaluate the 22mA maximum current consumption against system power budgets. Ensure the -40°C to 85°C range covers the intended operational environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. These oscillators are designed for general-purpose timing applications requiring small form factors. The manufacturer specializes in quartz crystals and frequency control products.

Oscillators Replacement Considerations

Direct substitutes must match the 24.545451 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD no-lead package. Verify equivalent stability and temperature ranges. Cross-reference pinouts and enable logic polarity if applicable.