18QHTF21-74.074-PD

Overview

The 18QHTF21-74.074-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 74.074 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 is engineered for reliable clock signal generation in electronic circuits requiring precise timing synchronization.

Feature Summary

• Generates a stable 74.074 MHz clock signal using LVCMOS output logic
• Operates on a 1.8V supply voltage with integrated standby capability
• Utilizes a compact 4-SMD no-lead surface mount package

Applications

• Digital system clock generation
• Data communication interface timing
• Embedded processor clock sources

Procurement Notes

Verify the specific part number suffix against official Mercury Electronics documentation to confirm exact electrical characteristics and package details. Ensure compatibility with the target circuit's voltage levels and form factor requirements before procurement. Cross-reference with authorized distributors to confirm product authenticity and availability status.

Selection Notes

Select this oscillator when a 74.074 MHz frequency is required within a 1.8V logic environment. Consider the 2.0x1.6mm footprint for space-constrained designs. Evaluate the need for standby functionality if power management is critical. Confirm that LVCMOS output levels match the receiving device's input specifications.

Part Context

This model belongs to Mercury Electronics' series of surface-mount crystal oscillators. The brand has specialized in frequency control products since 1973, focusing on quartz-based solutions. The 18QHTF21 series represents their advancement into smaller, lead-free packages suitable for modern high-density PCB layouts.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult Mercury Electronics directly for equivalent alternatives or cross-reference options based on identical frequency, voltage, and package constraints.