18QHTF21-32.959-PD

Oscillators Overview

The 18QHTF21-32.959-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a nominal frequency of 32.959 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby (Power Down) control function to manage power consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component serves as a standard clock source for digital circuits requiring precise timing signals.

Oscillators Feature Summary

• Supports Standby (Power Down) mode for energy efficiency
• Utilizes LVCMOS output logic for digital interface compatibility
• Compact 4-SMD No Lead surface mount package

Oscillators Applications

• General purpose clock generation for embedded systems
• Timing reference for low-power digital circuits
• Consumer electronics requiring precise frequency standards

Oscillators Procurement Notes

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

Oscillators Selection Notes

Select this component when a low-profile, 1.8V LVCMOS oscillator is required for space-constrained designs. The inclusion of a standby pin allows for dynamic power management in battery-operated applications. Consider the 2.0x1.6mm footprint constraints during PCB layout. Evaluate the need for a specific frequency like 32.959 MHz versus standard alternatives based on system clock tree requirements.

Oscillators Part Context

This part belongs to the 18QHTF21 series of SMD oscillators from Mercury Electronics. The series offers various frequencies and voltages, typically featuring LVCMOS outputs and standby capabilities. These components are designed for high-volume consumer and industrial applications where size and power efficiency are critical factors in electronic design.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with different frequencies or voltages if electrical parameters match. Cross-reference with other manufacturers offering 2.0x1.6mm LVCMOS oscillators with standby functions. Verify pinout compatibility and thermal characteristics when considering alternative sources.