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Product Detailed Parameters
- Description：90.02197 MHz XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：90.02197 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)：26mA
- 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 18QHTF21-90.02197-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 90.02197 MHz and utilizes LVCMOS output levels. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature 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
- Supports LVCMOS output signal format
- Includes enable and disable functionality
- Operates on 1.8V supply voltage
Applications
- General clock generation in electronic circuits
- Timing reference for digital systems
- Embedded system clock sources
Procurement Notes
Verify the specific ordering suffix OE against the manufacturer's current documentation to ensure compatibility with required specifications. Confirm that the 1.8V supply requirement aligns with the target circuit design. Check the package dimensions for the 4-SMD No Lead form factor to ensure board layout compatibility before procurement.
Selection Notes
Select this component when a 90.02197 MHz clock source is required with low-voltage operation. Ensure the application supports LVCMOS logic levels. The enable pin allows for dynamic power control, which is beneficial for battery-operated or power-sensitive designs. Verify thermal and electrical constraints match the system requirements.
Part Context
This part belongs to the Mercury Electronics XO series, focusing on quartz-based timing solutions. Mercury Electronic has a long history in manufacturing frequency control products, including crystals and oscillators. This specific model represents their standard output oscillator line, providing reliable timing for various commercial and industrial electronics.
Replacement Considerations
The 3QHTF21-90.02197-PD is listed as an equivalent or alternate part number for this frequency and specification. Verify if the P-D suffix indicates any functional or packaging differences compared to the OE variant before substitution.
