18QHTF21-38.855-OE

Oscillators Overview

The 18QHTF21-38.855-OE is a standard LVCMOS crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 38.855 MHz and requires a 1.8V supply voltage. The device features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component is designed for high-frequency signal generation in electronic circuits requiring precise timing.

Oscillators Feature Summary

• Generates stable 38.855 MHz clock signals using LVCMOS output logic
• Supports low-voltage operation with a 1.8V supply requirement
• Includes hardware enable and disable functionality for power optimization
• Utilizes a small-footprint surface-mount package for space-constrained designs

Oscillators Applications

• High-speed digital logic circuit timing
• Microcontroller clock sources
• Communication interface synchronization
• Embedded system clock generation

Oscillators Procurement Notes

Verify the specific suffix 'OE' against official Mercury documentation to confirm the enable/disable feature and operating temperature range. Ensure the 1.8V supply voltage aligns with target circuit requirements. Confirm the 4-SMD no-lead package dimensions match PCB layout constraints. Cross-reference the 38.855 MHz frequency specification with system timing needs before procurement.

Oscillators Selection Notes

Select this model when a 38.855 MHz clock source is required with minimal power consumption due to the enable pin. The 1.8V operating voltage suits low-power applications. The compact 2.0x1.6mm footprint is ideal for dense PCB layouts. Ensure compatibility with LVCMOS logic levels in the receiving circuitry.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic, which offers various frequencies and voltages. The series is known for providing reliable timing solutions in a small form factor. Similar models in the series may differ in frequency, voltage, or package type, requiring careful verification of datasheet specifications for each variant.

Oscillators Replacement Considerations

Direct substitutes must match the 38.855 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify that any replacement part supports the enable/disable control feature. Check for equivalent operating temperature ranges and electrical characteristics to ensure functional compatibility without circuit modification.