18QHTF21-1.545-OE

Overview

The 18QHTF21-1.545-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a nominal frequency of 1.545 MHz and utilizes an LVCMOS output signal format. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features integrated enable and disable control functionality to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Feature Summary

• LVCMOS output interface
• 1.8V supply voltage operation
• Enable/Disable control function

Applications

• General-purpose timing circuits
• Low-power embedded systems
• Consumer electronics devices

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V operating voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package dimensions fit within your PCB footprint constraints. Cross-reference the OE suffix with manufacturer documentation to confirm availability and lead times.

Selection Notes

Select this oscillator when a precise 1.545 MHz reference is required in space-constrained designs. The LVCMOS output ensures compatibility with standard digital logic families. Consider the enable/disable feature if power management is critical. Verify that the 1.8V supply requirement matches your available voltage domain. Evaluate thermal performance if the device will operate in high-temperature environments.

Part Context

This component belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronic. The series offers various frequency options within a standardized small outline package. These oscillators are designed for applications requiring stable timing references with minimal board space. The manufacturer specializes in quartz-based frequency control products.