18QHTF21-26.80156-PD

Oscillators Overview

The 18QHTF21-26.80156-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 26.80156 MHz and utilizes LVCMOS output logic. The device functions on a 1.8V supply voltage and includes a standby or power-down feature for energy management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0mm by 1.6mm. The component is designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Provides LVCMOS output signal compatibility

Oscillators Applications

• General clock generation for digital circuits
• Timing reference for communication interfaces
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions of 2.0x1.6mm. Confirm that the 1.8V supply rail stability meets the oscillator's operational specifications to maintain signal integrity during active and standby modes.

Oscillators Selection Notes

Select this component when a precise 26.80156 MHz clock source is required with minimal power consumption. The LVCMOS interface ensures compatibility with standard logic families operating at 1.8V. Consider the small form factor for space-constrained designs. Verify thermal performance within the specified operating temperature range to ensure long-term reliability in the intended application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies with consistent 1.8V operation and LVCMOS outputs. The 'PD' suffix indicates the inclusion of power-down capabilities. These components are engineered for high-frequency stability in portable and industrial electronics requiring reliable timing references.

Oscillators Replacement Considerations

Direct substitutes must match the 26.80156 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and electrical characteristics such as phase noise and jitter if critical. Cross-reference with other manufacturers offering similar SMD oscillators ensuring identical mechanical and functional parameters.