18QHTF21-29.400-OE

Oscillators Overview

The 18QHTF21-29.400-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 29.4 MHz and utilizes LVCMOS output logic levels. The device supports an active low enable/disable control function, allowing for power management in system applications. It is designed to operate with a supply voltage of 1.8V. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• Generates a precise 29.4 MHz clock signal using LVCMOS output interface
• Features integrated enable/disable control for power optimization
• Operates on a single 1.8V power supply rail
• Utilizes a small form factor 4-SMD no lead package design

Oscillators Applications

• Clock generation for digital communication interfaces
• Timing reference for embedded microcontroller systems
• Synchronization sources for data acquisition circuits
• Power-efficient timing modules requiring enable control

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power architecture. Ensure the 4-SMD no lead footprint matches the PCB layout specifications. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliability during assembly.

Oscillators Selection Notes

Select this component when a stable 29.4 MHz clock source is required with low power consumption capabilities. The LVCMOS output is compatible with standard digital logic families operating at 1.8V. The enable/disable feature makes it suitable for battery-operated devices or systems requiring dynamic power management. Consider the physical size constraints of the 4-SMD package during the mechanical design phase.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronic. The series offers various frequencies and voltage options within a consistent 4-SMD no lead package. Mercury Electronic is a specialized manufacturer of frequency control products, including quartz crystals and oscillators, with a long history in the industry. This specific model represents a standard XO configuration optimized for modern low-voltage digital applications.

Oscillators Replacement Considerations

Direct replacements must match the 29.4 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no lead package. Verify pinout compatibility and electrical characteristics such as current consumption and startup time. Consult the manufacturer's cross-reference list for equivalent parts. Ensure that any substitute component maintains the same enable/disable functionality if required by the design.