18QHTF21-75.9505-OE

Overview

The 18QHTF21-75.9505-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 75.9505 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 with dimensions of 2.0mm x 1.6mm. This surface-mount oscillator is suitable for digital circuits requiring precise clock signals.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no-lead surface mount package

Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the specific operating temperature range and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the LVCMOS output levels are compatible with the receiving logic inputs. Check for any specific handling instructions related to the small form factor package during assembly.

Selection Notes

Select this component when a 75.9505 MHz clock source is required in a space-constrained design. The 1.8V operation makes it suitable for modern low-power portable devices. Consider the enable pin if power management is critical. The SMD package facilitates automated assembly. Verify that the frequency stability meets the system's jitter and phase noise requirements.

Part Context

This part belongs to the QHTF series of oscillators from Mercury Electronics. The series offers various frequencies and voltages. The '18' prefix typically indicates the 1.8V supply variant. The 'OE' suffix denotes the enable feature. These oscillators are designed for general-purpose timing applications in consumer and industrial electronics.

Replacement Considerations

Direct replacements must match the 75.9505 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility for the enable function. Cross-reference with other manufacturers offering similar footprint and electrical specifications.