18QHTF21-14.3181-PD

Oscillators Overview

The 18QHTF21-14.3181-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 14.3181 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a power-down function via standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. This component serves as a precise clock source for digital circuits requiring low-profile timing solutions.

Oscillators Feature Summary

• Supports LVCMOS output logic for direct interface with digital loads
• Includes standby mode capability for power-down functionality
• Utilizes a small form factor 4-SMD no lead package

Oscillators Applications

• Portable electronic devices requiring low-power clock sources
• Embedded systems utilizing LVCMOS compatible processors
• Consumer electronics with space-constrained PCB layouts

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the LVCMOS output swing is compatible with the receiving logic inputs. Check the operating temperature range specifications to guarantee reliability under expected environmental conditions.

Oscillators Selection Notes

Select this component when a 14.3181 MHz reference is required for LVCMOS-based architectures. The choice is driven by the need for a low-profile surface-mount solution with integrated power management capabilities. Consider the 1.8V operation constraint and ensure the application does not require higher voltage levels or alternative output types such as HCMOS or CMOS.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies within a standardized 2.0x1.6mm footprint. These components are engineered for applications demanding stable timing signals in compact consumer and industrial electronics, providing a balance between performance and physical size constraints.

Oscillators Replacement Considerations

Direct substitutes must match the 14.3181 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package dimensions. Verify equivalent electrical parameters including phase noise and jitter specifications. Cross-reference with other manufacturers offering similar low-profile XO solutions to ensure pinout compatibility and functional equivalence.