18QHTF21-1.96608-OE

Overview

The 18QHTF21-1.96608-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 1.96608 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package designed for surface-mount applications.

Feature Summary

• Generates a precise 1.96608 MHz clock signal using quartz technology
• Features LVCMOS output logic compatible with standard digital interfaces
• Includes hardware enable and disable functionality for power management

Applications

• General clock generation for embedded systems
• Timing reference for digital communication interfaces
• Clock source for microcontroller-based circuits

Procurement Notes

Verify the specific suffix OE against the manufacturer's current documentation to confirm pinout and electrical specifications. Ensure the 1.8V supply requirement aligns with the target circuit design. Confirm that the 4-SMD no-lead package matches the PCB footprint requirements before finalizing procurement orders.

Selection Notes

Select this component when a stable 1.96608 MHz frequency is required for low-voltage digital logic. The LVCMOS interface suits standard CMOS-compatible designs. Consider the enable/disable feature if system power efficiency or clock gating is necessary. Verify thermal performance within the specified operating temperature range for the intended application environment.

Part Context

This oscillator belongs to the Mercury Electronics XO series, which provides standard clock solutions. The brand has produced frequency control products since 1973, specializing in quartz crystals and oscillators. This specific model represents a surface-mount option for applications requiring precise timing without the complexity of programmable devices.

FAQ

What is the output logic type for this oscillator?

The 18QHTF21-1.96608-OE uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.

Does this component support power control?

Yes, the device includes an enable and disable function to control operation via the supply voltage or control pin.