18QHTF21-1.163-OE

Overview

The 18QHTF21-1.163-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 1.163 MHz and utilizes LVCMOS output logic. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact surface-mount package design

Applications

• Low-frequency clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout specifications to prevent assembly issues.

Selection Notes

Select this component when a precise 1.163 MHz clock source is required for low-power digital designs. The LVCMOS output is suitable for direct interfacing with standard logic families. Consider the enable pin utility for power management strategies in battery-operated devices where periodic sleep modes are utilized.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, a supplier specializing in quartz crystals and oscillators. The series typically offers various frequencies within a small form factor. Mercury Electronics has established expertise in frequency control products, providing standardized solutions for timing applications across consumer and industrial electronics sectors.

Replacement Considerations

Direct substitutes must match the 1.163 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility and electrical characteristics such as rise/fall times and duty cycle stability before cross-referencing alternative manufacturers.