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Product Detailed Parameters
- Description：13.5922 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：13.5922 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 18QHTF21-13.5922-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.5922 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at 1.8V supply voltage. It features an integrated enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm, suitable for space-constrained surface-mount PCB layouts.
Feature Summary
- LVCMOS output signal compatibility
- Integrated enable/disable functionality
- Compact 4-SMD no-lead package design
Applications
- General purpose clock generation
- Digital signal processing systems
- Embedded microcontroller interfaces
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 2.0x1.6mm footprint matches the PCB layout constraints. Check for any specific reflow soldering profile recommendations to maintain component integrity during assembly processes.
Selection Notes
Select this oscillator when a precise 13.5922 MHz reference is required for LVCMOS-compatible digital circuits. The choice is driven by the need for a small form factor and low voltage operation. Consider the enable pin feature if dynamic power saving is necessary. Compare against other Mercury models in the 18QHTF21 series for alternative frequencies or voltage options if specifications differ.
Part Context
This component belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various standard frequencies and voltage options within a consistent 2.0x1.6mm package. This specific part number denotes the 13.5922 MHz variant with 1.8V operation. The series is designed for modern electronics requiring reliable timing sources in compact devices.
Replacement Considerations
Direct substitutes include other 18QHTF21 series parts with identical 13.5922 MHz frequency and 1.8V operation. Verify pinout compatibility and electrical parameters before swapping. Cross-reference with Mercury's current product listings for updated revisions. Ensure any replacement maintains the LVCMOS output type and enable/disable functionality.
