18QHTF21-27.009375-PD

Oscillators Overview

The 18QHTF21-27.009375-PD is a crystal oscillator (XO) manufactured by Mercury Electronic Ind., Co., Ltd. It operates at a frequency of 27.009375 MHz with an LVCMOS output signal. The device functions at a supply voltage of 1.8V and features a power-down standby mode. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down standby functionality
• Utilizes LVCMOS output signaling

Oscillators Applications

• General clock generation for digital circuits
• Embedded systems requiring precise timing
• Portable electronic devices due to small form factor

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before integration. Confirm that the 4-SMD no-lead package footprint matches the PCB design. Ensure the 1.8V supply rail stability meets the component's electrical specifications for reliable LVCMOS operation.

Oscillators Selection Notes

Select this component when a 27.009375 MHz reference is required in a minimal space constraint. The 1.8V operating voltage suits low-power applications. The power-down feature allows for energy management in battery-operated devices. Verify compatibility with the target system's logic levels and thermal environment.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, designed for standard clock applications. The manufacturer has produced frequency control products since 1973. The model number indicates the specific frequency and package type within their catalog of surface-mount oscillators.

Oscillators Replacement Considerations

Direct substitutes must match the 27.009375 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Cross-reference with other manufacturers offering identical pinouts and electrical characteristics to ensure functional equivalence.