18QHTF21-12.68865-OE

$28.04

Description：12.68865 MHz XO 1.8V 2.0X1.6 OE
Series：18QHTF21
Mfr：Mercury Electronics Ind. Co. Ltd
Package：Strip

SKU:e44890c33599 Category: Oscillators Brand: Mercury Electronics Ind. Co. Ltd

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Product introduction

Product Detailed Parameters

Description：12.68865 MHz XO 1.8V 2.0X1.6 OE
Series：18QHTF21
Mfr：Mercury Electronics Ind. Co. Ltd
Package：Strip
Base Resonator：Crystal
Type：XO (Standard)
Frequency：12.68865 MHz
Function：Enable/Disable
Output：LVCMOS
Voltage - Supply：1.8V
Frequency Stability：±50ppm
Absolute Pull Range (APR)：-
Operating Temperature：-40°C ~ 85°C
Spread Spectrum Bandwidth：-
Current - Supply (Max)：22mA
Ratings：-
Mounting Type：Surface Mount
Package / Case：4-SMD, No Lead
Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
Height - Seated (Max)：0.031" (0.80mm)
Supplier Device Package：-

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18QHTF21-12.68865-OE

Overview

The 18QHTF21-12.68865-OE is a crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 12.68865 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes Enable/Disable functionality for power management. It is housed in a compact 4-SMD package without lead, designed for surface-mount applications requiring precise timing signals.

Feature Summary

Generates stable LVCMOS clock signals
Supports active low power states via enable control

Applications

Precision timing circuits
Embedded system clocks
Digital signal processing interfaces

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply rail is stable to ensure proper oscillator startup and signal integrity. Ensure the PCB footprint matches the 4-SMD package dimensions provided in the official datasheet to avoid assembly issues.

Selection Notes

Select this component when a low-voltage LVCMOS output is required for digital logic interfacing. The integrated enable feature makes it suitable for battery-powered or power-sensitive designs. Verify that the operating temperature range meets your environmental specifications and that the package size fits within your board layout constraints.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequency options with consistent electrical characteristics and packaging. These components are commonly used in consumer electronics and industrial equipment where reliable clock generation is critical for system synchronization.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with compatible frequencies such as 18QHTF21-13.4865-OE or 18QHTF21-16.020-OE if frequency adjustments are permissible. Cross-reference pinouts and voltage levels to ensure compatibility with existing circuitry.