18QHTF21-1.2896-OE

Overview

The 18QHTF21-1.2896-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 1.2896 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an Enable/Disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.

Feature Summary

• Integrates LVCMOS output logic for standard digital interface compatibility
• Includes hardware enable/disable functionality for power management
• Utilizes a leadless surface-mount package for space-constrained designs

Applications

• Clock signal generation for low-voltage digital circuits
• Timing reference for communication interfaces requiring 1.2896 MHz
• Embedded systems utilizing 1.8V logic levels

Procurement Notes

Verify the specific frequency suffix matches the required 1.2896 MHz specification. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the LVCMOS output type is compatible with the receiving logic inputs. Check the 4-SMD no-lead package footprint against the PCB layout to guarantee proper assembly and soldering requirements are met.

Selection Notes

Select this component when a precise 1.2896 MHz timing source is required for 1.8V logic applications. The choice is driven by the need for LVCMOS outputs and integrated enable control. Consider the small 2.0x1.6mm form factor if board space is limited. This part is suitable for designs prioritizing low voltage operation and simple interface integration without additional buffering.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a standardized 2.0x1.6mm SMD package. The series typically supports 1.8V operation and LVCMOS outputs. The -OE suffix indicates the inclusion of an enable pin, distinguishing it from basic XO variants. Mercury Electronics specializes in quartz-based frequency control products.

FAQ

What is the output logic type for this oscillator?

The 18QHTF21-1.2896-OE uses LVCMOS output logic.

Does this component support power control?

Yes, it includes an Enable/Disable function to control operation.