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Product Detailed Parameters
- Description：8.9152 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：8.9152 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)：21mA
- 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 18QHTF21-8.9152-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 8.9152 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, specifically supporting a supply voltage of 1.8V. A key functional characteristic is the inclusion of an enable/disable control pin, allowing for power management flexibility in embedded systems. 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 designs.
Feature Summary
- Supports LVCMOS output interface for digital compatibility
- Features integrated enable/disable control functionality
- Operates on a 1.8V supply voltage rail
- Utilizes a compact 4-SMD no-lead surface mount package
Applications
- Embedded system clock generation
- Digital signal processing timing references
- Microcontroller peripheral synchronization
- Portable electronic device power management
Procurement Notes
Verify the specific suffix 'OE' corresponds to the enable feature when sourcing. Confirm the 1.8V operating voltage aligns with target circuit design requirements. Ensure PCB footprint matches the 2.0x1.6 mm 4-SMD no-lead specification. Cross-reference manufacturer documentation for tolerance and stability specifications prior to integration.
Selection Notes
Select this component when a low-profile 1.8V oscillator with enable control is required. Consider the 8.9152 MHz frequency for specific baud rate or data transmission needs. Evaluate the 4-SMD package size against available board real estate. Compare alternative frequencies within the same series if different timing standards are necessary.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which focuses on small-form-factor oscillators. The series typically offers various frequencies and voltage options. The 'OE' designation indicates the presence of an output enable pin, distinguishing it from standard continuous-output variants within the same physical package family.
Replacement Considerations
Direct substitutes include other 18QHTF21 series parts with matching 8.9152 MHz frequency and 1.8V operation. Verify that replacement units also support LVCMOS outputs and include the enable/disable function. Check for identical 2.0x1.6 mm SMD footprint compatibility before substitution.
