18QHTF21-85.400-PD

Overview

The 18QHTF21-85.400-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 85.4 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby function for power down control. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm. The component is supplied in a strip packaging format.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby capability to reduce power consumption during inactive periods
• Utilizes a small form factor 4-SMD no lead package design

Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 85.4 MHz
• Embedded devices utilizing low voltage CMOS interfaces

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 power rails. Ensure the 4-SMD no lead package footprint matches the PCB layout. Check for any specific RoHS compliance documentation if required by project standards. Validate the operating temperature range suitability for the intended environment.

Selection Notes

Select this component when a precise 85.4 MHz clock source is required with low voltage operation. The LVCMOS output ensures compatibility with standard digital logic families. Consider the physical size constraints due to the 2.0x1.6 mm package. Evaluate the need for power-down functionality to manage energy efficiency. Ensure the manufacturing source is Mercury Electronics Ind. Co., Ltd. for specified performance characteristics.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency oscillators. The 18QHTF21 series typically offers various frequencies within a consistent package outline. These components are designed for applications requiring stable clock signals in consumer and industrial electronics. The manufacturer has experience in frequency control products since 1973.

Replacement Considerations

Direct substitutes must match the 85.4 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no lead package. Verify pinout compatibility and electrical specifications from alternative manufacturers. Cross-reference with other Mercury Electronics models in the same series if available.

FAQ

What is the output logic type for this oscillator?

The 18QHTF21-85.400-PD uses LVCMOS output logic.

Does this component support power management features?

Yes, it includes a standby function that allows for power down control.