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Product Detailed Parameters
- Description：13.226 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：13.226 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 18QHTF21-13.226-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 13.226 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage of 1.8V and includes an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Feature Summary
- LVCMOS output interface for digital logic compatibility
- Integrated enable/disable pin for power control
- Compact 4-SMD no-lead surface mount package
Applications
- General clock signal generation in embedded systems
- Timing reference for microcontrollers operating at 1.8V
- Digital communication interfaces requiring stable frequency sources
Procurement Notes
Verify the specific ordering suffix to ensure the correct frequency and package variant matches the design requirements. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Check for any specific environmental or reliability certifications required by the application standards before finalizing the procurement order.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS output. The enable/disable feature makes it suitable for battery-powered devices needing power conservation. Ensure the PCB footprint accommodates the 4-SMD no-lead package dimensions specified in the official datasheet.
Part Context
This part belongs to the QHTF series from Mercury Electronic, which offers various hermetic ceramic leadless SMD packages. The series covers frequencies from 1.0 MHz to 200 MHz across different supply voltages. Mercury Electronics is a established manufacturer of quartz crystals and oscillators based in Taiwan.
FAQ
Does the -OE suffix indicate a change in electrical function?
No, the suffix typically denotes packaging or specific manufacturing lot details; the core electrical function remains defined by the base model number.
What is the output logic type?
The device uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.
