18QHTF21-75.913-PD

Overview

The 18QHTF21-75.913-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 75.913 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.

Feature Summary

• Integrates LVCMOS output logic for standard digital interface compatibility
• Includes Standby control capability to reduce power consumption during inactive periods
• Utilizes a surface-mount 4-SMD No Lead package for automated assembly

Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 1.8V operation
• Compact embedded devices utilizing surface-mount technology

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 4-SMD No Lead package footprint matches the PCB layout constraints. Check the manufacturer datasheet for precise electrical characteristics and operating temperature ranges to guarantee reliable performance in the intended application environment.

Selection Notes

Select this component when a 75.913 MHz timing source is required within a 1.8V logic domain. The choice is driven by the need for low-profile surface-mount packaging and standby power management capabilities. Consider the LVCMOS output swing compatibility with downstream digital inputs. Evaluate the physical size constraints against the 2.0x1.6 mm package dimensions to ensure adequate board space allocation.

Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics Ind. Co., Ltd. The series offers various frequencies and voltage options within a standardized small outline package. The 'PD' suffix typically indicates the inclusion of a power-down or standby pin feature, distinguishing it from continuous-operation variants within the same family.

Replacement Considerations

Direct substitutes must match the 75.913 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical specifications with alternative manufacturers offering similar surface-mount oscillators.