18QHTF21-86.990-PD

Overview

The 18QHTF21-86.990-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 86.99 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Integrates standby mode to reduce power consumption during idle periods
• Utilizes quartz-based technology for stable frequency generation

Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 1.8V operation
• Embedded applications utilizing small form factor SMD components

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design 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 handling instructions regarding electrostatic discharge protection during assembly.

Selection Notes

Select this component when a precise 86.99 MHz timing source is required within a low-voltage 1.8V environment. The choice is driven by the need for a standard XO with LVCMOS outputs and a compact 2.0x1.6mm footprint. Consider the integrated standby feature if power management is a priority. Validate that the operating temperature range meets your application's environmental conditions.

Part Context

This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronic Ind. Co., Ltd. The series offers various frequencies and voltage options, all sharing a common small outline package. Mercury Electronics specializes in quartz frequency control products, leveraging decades of manufacturing expertise in Taiwan to produce reliable timing solutions for consumer and industrial electronics.

FAQ

What is the output logic type for this oscillator?

The 18QHTF21-86.990-PD uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.

Does this component support power saving modes?

Yes, the datasheet indicates that the device features a Standby (Power Down) function to manage power usage.