18QHTF21-16.576-PD

Oscillators Overview

The 18QHTF21-16.576-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 16.576 MHz with an LVCMOS output logic level. The device is designed for low-power applications, functioning at a supply voltage of 1.8V. It supports a standby or power-down mode to conserve energy when not in active use. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output interface for digital signal compatibility
• Low-power operation with 1.8V supply voltage requirement
• Integrated standby and power-down functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

• Portable electronic devices requiring low power consumption
• Digital communication systems utilizing LVCMOS interfaces
• Embedded control circuits needing precise timing references
• Battery-operated equipment with standby requirements

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 rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific environmental operating temperature ranges required for your application environment.

Oscillators Selection Notes

Select this component when a low-voltage, low-power clock source is needed for digital logic interfacing. The LVCMOS output ensures compatibility with standard CMOS inputs. Consider the 1.8V operating voltage if your system utilizes lower voltage domains compared to traditional 3.3V or 5V systems. The integrated power-down feature makes it suitable for battery-powered applications where energy efficiency is critical.

Oscillators Part Context

Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products, including quartz crystals and oscillators. The company has a long history in the industry, focusing on providing reliable timing solutions. The 18QHTF21 series represents their standard crystal oscillator offerings, designed for various consumer and industrial electronics applications requiring stable frequency generation.

Oscillators Replacement Considerations

Direct substitutes within the same series include other frequencies from the 18QHTF21 line, such as 18QHTF21-16.000-PD or 18QHTF21-20.000-PD, provided the frequency difference is acceptable. Cross-brand replacements must match the 1.8V supply, LVCMOS output, and 4-SMD package dimensions. Verify electrical parameters like phase noise and jitter if strict timing performance is required.