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Product Detailed Parameters
- Description：75.66 MHz XO 1.8V 2.0X1.6 MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：75.66 MHz
- Function：Standby (Power Down)
- 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 18QHTF21-75.660-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 75.66 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and features a Standby function for power down capabilities. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.
Feature Summary
- Supports LVCMOS output logic for digital circuit interfacing
- Includes Standby mode to reduce power consumption during inactive periods
- Utilizes quartz crystal technology for stable frequency generation
Applications
- General clock signal generation for electronic systems
- Digital communication interfaces requiring precise timing
- Embedded systems utilizing low-voltage logic components
Procurement Notes
Verify the specific frequency tolerance and operating temperature range against your system requirements before procurement. Ensure compatibility with the 1.8V supply voltage and LVCMOS interface levels. Confirm that the 4-SMD No Lead package footprint matches your PCB design constraints. Check for any specific handling instructions regarding electrostatic discharge sensitivity.
Selection Notes
Select this component when a precise 75.66 MHz clock source is required for low-power applications. The choice is driven by the need for a small form factor suitable for space-constrained designs. Consider the standby feature if power management is critical. Ensure the manufacturing source is Mercury Electronic Ind. Co., Ltd. to guarantee specification compliance.
Part Context
This part belongs to the Mercury Electronic Ind. Co., Ltd. series of surface mount oscillators. The company specializes in frequency control products including crystals and oscillators. This specific model represents a standard XO variant designed for general-purpose timing applications in modern electronics.
Replacement Considerations
Direct substitutes must match the 75.66 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD 2.0x1.6mm package. Verify pinout compatibility and electrical specifications before substitution.
