18QHTF21-3.640-OE

Oscillators Overview

The 18QHTF21-3.640-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 3.64 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package. The component supports an operating temperature range from -40°C to 85°C and maintains a frequency stability of ±50ppm.

Oscillators Feature Summary

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

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 3.64 MHz operation. Confirm the 1.8V supply voltage requirement aligns with the target circuit design. Ensure the LVCMOS output type is compatible with the receiving logic inputs. Check that the 4-SMD package footprint fits the PCB layout constraints.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V clock source is required for space-constrained designs. The LVCMOS output is suitable for standard digital logic families. Consider the ±50ppm stability specification against the system's timing tolerance requirements. The wide industrial temperature range supports operation in varied environmental conditions.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. The 'OE' suffix typically denotes specific ordering or packaging variations within the manufacturer's catalog structure.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series variants with matching 3.64 MHz frequency and LVCMOS output. Verify pinout compatibility and electrical specifications before substitution.