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Product Detailed Parameters
- Description：73.75 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：73.75 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 18QHTF21-73.750-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 73.75 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable functionality for power management
- Compact 4-SMD no-lead surface mount package
Applications
- General clock signal generation in electronic circuits
- Timing reference for digital systems requiring 1.8V operation
- Embedded devices utilizing standard XO interfaces
Procurement Notes
Verify the specific frequency tolerance and operating temperature range against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD no-lead package footprint matches the PCB layout requirements to prevent assembly issues.
Selection Notes
Select this component when a 73.75 MHz clock source is required with low-voltage 1.8V operation. The LVCMOS output is suitable for direct connection to standard digital logic inputs. Consider the small 2.0x1.6mm package size for space-constrained designs requiring surface-mount integration.
Part Context
This part belongs to the Mercury Electronics standard XO series, characterized by SMD packaging and LVCMOS outputs. The '18' prefix typically indicates the 1.8V supply voltage requirement. The model number specifies the exact frequency of 73.75 MHz, distinguishing it from other variants in the same physical package family.
FAQ
What is the output logic type for this oscillator?
The 18QHTF21-73.750-OE uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.
Does this component support power control?
Yes, the device includes an enable/disable pin to control the oscillator's operation state.
