18QHTF21-13.56797-OE

Overview

The 18QHTF21-13.56797-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.56797 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications with a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly. This oscillator provides precise timing signals for digital circuits requiring stable clock sources.

Feature Summary

• LVCMOS output logic for standard digital interface compatibility
• Integrated enable and disable functionality for power management
• Compact 4-SMD no-lead surface mount package design

Applications

• General purpose digital circuit timing
• Low voltage embedded systems
• Consumer electronics requiring stable clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before ordering. Confirm that the 1.8V supply voltage aligns with your target platform's power rails. Ensure the 4-SMD no-lead footprint matches your PCB layout constraints. Check for any specific operating temperature range limitations if the application involves extreme environmental conditions. Cross-reference the manufacturer datasheet for detailed electrical characteristics.

Selection Notes

Select this component when a precise 13.56797 MHz clock signal is required for LVCMOS-compatible logic. The 1.8V operating voltage makes it suitable for modern low-power portable devices. Consider the enable/disable feature if dynamic power saving is necessary. The small form factor is ideal for space-constrained designs. Evaluate alternative frequencies within the same series if the exact 13.56797 MHz is not strictly mandatory.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequencies with LVCMOS outputs and 1.8V operation. Similar parts include models like 18QHTF21-13.1313-OE and 18QHTF21-37.888-OE, which share the same package and logical interface but differ in frequency. The series is designed for general timing applications in consumer and industrial electronics.

FAQ

What is the output logic type for this oscillator?

The 18QHTF21-13.56797-OE uses LVCMOS (Low Voltage CMOS) output logic.

Does this component support power control?

Yes, it includes an enable and disable function to control the oscillator state.