18QHTF21-26.796-OE

Oscillators Overview

The 18QHTF21-26.796-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 26.796 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and features an Enable/Disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. The component supports a frequency stability of ±50ppm and functions within an operating temperature range of -40°C to 85°C.

Oscillators Feature Summary

• Compact 4-SMD no-lead surface mount package for space-constrained designs
• LVCMOS output interface compatible with standard digital logic
• Integrated enable/disable control functionality for power management

Oscillators Applications

• Embedded systems requiring precise clock timing
• Consumer electronics utilizing low-voltage logic
• Industrial control modules operating in extended temperature ranges

Oscillators Procurement Notes

Verify the specific suffix (OE) against the manufacturer's current datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the 1.8V supply rail is stable within tolerance limits to maintain frequency accuracy. Confirm that the 2.0x1.6mm footprint aligns with your PCB layout constraints before finalizing procurement.

Oscillators Selection Notes

Select this component when a small form factor and low voltage operation are critical. The LVCMOS output is suitable for direct interfacing with microcontrollers and FPGAs. Consider the ±50ppm stability requirement against your system's jitter budget. Verify thermal performance within the specified -40°C to 85°C range for your intended environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and supply voltages. The 18QHTF21-26.796-OE specifically targets applications needing a 26.796 MHz reference signal in a minimal footprint. It complements other models in the family offering different frequencies or packaging options.

Oscillators Replacement Considerations

Direct substitutes must match the 26.796 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Check equivalent parts from other manufacturers ensuring identical pin configuration and electrical parameters. Verify compatibility with existing firmware and clock distribution networks.