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Product Detailed Parameters
- Description：80.0 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：80 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 18QHTF21-80.000-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 80 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at 1.8V. It features an enable/disable control pin for power management flexibility. 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
- Includes enable/disable functionality for power optimization
- Compact 4-SMD no-lead package design
Applications
- General-purpose timing reference for embedded systems
- Clock source for microcontrollers requiring 80 MHz input
- Digital signal processing circuits
Procurement Notes
Verify the specific suffix 'OE' against the manufacturer's current datasheet to confirm the enable/disable feature and voltage level. Ensure the 1.8V supply requirement matches the target circuit design. Confirm the 4-SMD no-lead footprint dimensions align with the PCB layout constraints before finalizing procurement.
Selection Notes
Select this component when an 80 MHz clock signal is required with low voltage operation. The enable/disable feature makes it suitable for battery-powered or power-sensitive applications. Consider the small 2.0x1.6 mm package size for high-density board layouts. Verify that the LVCMOS output swing is compatible with the receiving logic inputs.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies and voltages. The '18' prefix typically indicates the 1.8V operating voltage, while 'QHTF' denotes the series type. The '-OE' suffix specifies the enable/disable capability and output configuration, distinguishing it from other variants in the same physical package family.
Replacement Considerations
Direct substitutes include other 80 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Check for identical pinout and enable functionality. Cross-reference with Mercury Electronics part numbers such as those in the 18QHTF21 series with matching frequency and voltage ratings.
