18QHTF21-20.97152-PD

Oscillators Overview

The 18QHTF21-20.97152-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 20.97152 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features a standby function with power-down capability to reduce energy consumption when not in active use. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm, suitable for space-constrained printed circuit board layouts.

Oscillators Feature Summary

• Integrates a standby mode with power-down functionality for efficient energy management
• Delivers LVCMOS output signals compatible with standard digital logic interfaces
• Operates on a single 1.8V power supply rail for low-voltage system integration

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Battery-powered equipment needing extended operational life
• Compact consumer electronics with limited PCB space

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power architecture. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check the operating temperature range to guarantee reliability under expected environmental conditions. Consult the official datasheet for precise electrical characteristics and handling instructions.

Oscillators Selection Notes

Select this oscillator when a precise 20.97152 MHz clock signal is required for LVCMOS-compatible circuits. Consider the 1.8V supply requirement and power-down feature for systems prioritizing energy efficiency. Evaluate the small 2.0x1.6mm package size against available board real estate. Compare performance metrics such as phase noise and stability if high-frequency precision is critical for the application.

Oscillators Part Context

This component belongs to Mercury's QuikXO series, which offers fast-delivery CMOS output clock oscillators. The series includes both standard and custom frequency options built to order. Mercury Electronic Ind. Co., Ltd. has extensive experience in quartz crystal manufacturing, providing reliable frequency control solutions for various industrial and commercial applications.

Oscillators Replacement Considerations

Direct substitutes must match the 20.97152 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package. Verify pinout compatibility and thermal characteristics before swapping manufacturers. Ensure the replacement part supports the same standby/power-down functionality to maintain system power management strategies.