18QHTF21-114.2885-PD

Overview

The 18QHTF21-114.2885-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 114.2885 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a Standby (Power Down) function to reduce power consumption when not in active use. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• Supports Low Voltage CMOS (LVCMOS) output logic levels
• Includes standby mode capability for power management
• Utilizes quartz crystal technology for frequency stability

Applications

• General clock signal generation in electronic circuits
• Data communication interfaces requiring precise timing
• Embedded systems utilizing low-voltage logic families

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 RoHS or environmental compliance certifications required for your application.

Selection Notes

Select this component when a stable 114.2885 MHz reference is needed within a low-power, space-constrained design. The LVCMOS interface ensures compatibility with standard digital logic inputs. The integrated standby feature makes it suitable for battery-operated devices where power efficiency is critical during idle periods.

Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in surface-mount oscillators. The series typically offers various frequencies and supply voltages, catering to diverse consumer electronics and industrial applications. The 'PD' suffix likely indicates the power-down functionality included in this specific variant.

Replacement Considerations

Direct replacements must match the 114.2885 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package size. Verify pinout compatibility and electrical specifications such as phase noise and jitter if available in competitor datasheets.