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Product Detailed Parameters
- Description：75.295 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：75.295 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 18QHTF21-75.295-OE is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 75.295 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and features an enable/disable control interface. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- Supports LVCMOS output logic for standard digital interfacing
- Includes enable and disable functionality for power management
- Utilizes a small form factor 4-SMD no-lead package
Applications
- General clock signal generation in electronic circuits
- Embedded systems requiring precise timing references
- Portable devices utilizing low-voltage operation
Procurement Notes
Verify the specific suffix OE against official Mercury Electronics documentation to confirm exact electrical characteristics and pinout configuration. Ensure compatibility with 1.8V supply rails and LVCMOS logic levels before integration. Cross-reference the part number with manufacturer datasheets to validate frequency tolerance and operating temperature ranges for the intended application environment.
Selection Notes
Select this component when a low-profile, 1.8V LVCMOS oscillator is required for space-constrained designs. The 4-SMD no-lead package facilitates automated surface-mount assembly. Consider the enable/disable feature if power efficiency during standby modes is a critical design requirement for the target system architecture.
Part Context
This oscillator belongs to the QHTF series from Mercury Electronics, designed for high-frequency stability in compact applications. The series typically offers various frequency options within a standardized footprint, allowing designers to maintain consistent board layouts while adjusting timing specifications across different product variants.
Replacement Considerations
Direct substitutes must match the 75.295 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify that any alternative component supports the same enable/disable control mechanism and meets identical thermal and electrical performance standards.
