18QHTF21-4.912-OE

Oscillators Overview

The 18QHTF21-4.912-OE is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 4.912 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 function to manage power consumption. The component is housed in a compact 2.0x1.6 mm surface-mount package without leads, suitable for space-constrained designs.

Oscillators Feature Summary

• Supports enable/disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Operates on a single 1.8V supply voltage

Oscillators Applications

• Portable electronic devices requiring low-power timing
• Embedded systems utilizing LVCMOS interfaces
• Compact consumer electronics with limited board space

Oscillators Procurement Notes

Verify the specific suffix 'OE' corresponds to the Enable/Disable feature when sourcing replacements. Confirm that the 1.8V supply requirement aligns with the target system's voltage rails. Ensure the 2.0x1.6 mm footprint matches the PCB layout constraints. Check datasheet specifications for operating temperature range and frequency stability requirements before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a low-profile 2.0x1.6 mm oscillator is required for 1.8V logic systems. Consider the enable/disable capability if dynamic power saving is necessary. Verify that the 4.912 MHz frequency meets the system clock requirements. Ensure the LVCMOS output is compatible with the receiving digital input thresholds of the connected microcontroller or FPGA.

Oscillators Part Context

Mercury Electronics Ind. Co. Ltd specializes in frequency control products including quartz crystals and oscillators. The 18QHTF series represents their line of surface-mount crystal oscillators. This model belongs to a family of components designed for portable and embedded applications where size and power efficiency are critical design parameters.

Oscillators Replacement Considerations

Direct substitutes must match the 4.912 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6 mm package. Verify equivalent enable/disable functionality. Cross-reference pinout configurations to ensure compatibility.