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Product Detailed Parameters
- Description：11.05 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：11.05 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 18QHTF21-11.050-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 11.05 MHz and utilizes LVCMOS output logic. 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 with dimensions of 2.0mm x 1.6mm. The component is designed for surface-mount applications requiring precise clock signals.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable control functionality
- Compact 4-SMD no-lead surface mount package
Applications
- General purpose clock generation in embedded systems
- Timing reference for microcontrollers and processors
- Digital signal processing circuits
Procurement Notes
Verify the specific suffix 'OE' against the manufacturer's official documentation to ensure correct enable/disable pin configuration and electrical characteristics. Confirm that the 1.8V supply voltage aligns with the target system design requirements before procurement. Cross-reference the package outline drawing to verify mechanical fit within the assembly constraints.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside an enable/disable feature for power efficiency. The small 2.0x1.6mm footprint makes it suitable for space-constrained designs. Ensure the application does not require higher frequencies or different output logic levels such as HCMOS or LVDS.
Part Context
This part belongs to the 18QHTF21 series of standard XO oscillators from Mercury Electronics. The series offers various frequency options and supply voltages. The 'OE' suffix typically denotes specific operational features like enable pins, distinguishing it from other variants in the same physical package family.
Replacement Considerations
Direct substitutes include other 11.05 MHz LVCMOS oscillators in 4-SMD packages with 1.8V supply and enable functions. Verify pinout compatibility and electrical specifications before substitution.
