18QHTF21-79.075-PD

Overview

The 18QHTF21-79.075-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 79.075 MHz and utilizes LVCMOS output logic. The device is designed for operation with a 1.8V supply voltage and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, no-lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated standby mode for power reduction
• Compact 4-SMD no-lead surface-mount package

Applications

• General-purpose digital timing circuits
• Communication equipment clock sources
• Embedded system microcontroller clocks

Procurement Notes

Verify the specific datasheet from Mercury Electronic Ind. Co., Ltd. to confirm exact electrical parameters such as frequency stability, load capacitance, and operating temperature range. Ensure the 1.8V supply requirement aligns with your system design before procurement.

Selection Notes

Select this component when a 79.075 MHz clock signal is required with low-voltage 1.8V operation. The LVCMOS output ensures compatibility with standard digital logic families. Consider the 4-SMD package size for PCB space constraints.

Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals, oscillators, and filters. This part belongs to their XO series, designed for reliable timing in electronic systems.

Replacement Considerations

Consult official substitution lists from Mercury Electronic Ind. Co., Ltd. for direct replacements. Verify that any substitute matches the 79.075 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions.