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Product Detailed Parameters
- Description：10.3448 MHz XO 1.8V 2.0X1.6MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：10.3448 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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Overview
The 18QHTF21-10.3448-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 10.3448 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control pin for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.
Feature Summary
- Integrates an enable/disable function for efficient power management via the OE pin.
- Delivers stable LVCMOS signal outputs suitable for digital circuit synchronization.
- Utilizes a low-profile surface-mount package designed for space-constrained PCB layouts.
Applications
- Clock generation for embedded microcontrollers
- Synchronization in portable consumer electronics
- Timing reference for communication interface modules
Procurement Notes
Verify the specific suffix 'OE' to confirm the presence of the enable/disable functionality, as this distinguishes it from standard variants without control pins. Ensure the 1.8V supply requirement aligns with the target system's voltage rails. Confirm the 4-SMD no-lead footprint matches the design board layout to prevent assembly issues.
Selection Notes
Select this component when a precise 10.3448 MHz timing source is required alongside power-saving capabilities. The 1.8V operating voltage makes it suitable for modern low-power systems. Consider the small 2.0x1.6mm package size if board real estate is limited. Verify that LVCMOS output levels are compatible with the receiving logic inputs.
Part Context
This part belongs to the Mercury 18QHTF series of quartz crystal oscillators. The series provides various frequencies and voltage options in a standardized small outline package. Mercury Electronics specializes in frequency control products, including crystals and oscillators, serving global electronic manufacturing needs.
Replacement Considerations
The model 18QHTF21-10.3448-PD shares the same frequency and package but may differ in operational parameters or suffix specifications. Cross-reference datasheets to ensure electrical compatibility before substitution.
