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Product Detailed Parameters
- Description：84.7193 MHz XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：84.7193 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 18QHTF21-84.7193-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 84.7193 MHz and utilizes an LVCMOS output interface. The device is designed for low voltage applications, functioning at 1.8V. It features a standby mode for power down capabilities to reduce energy consumption during idle periods. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- Supports LVCMOS output signal format
- Includes standby function for power management
- Operates at 1.8V supply voltage
Applications
- General clock generation for digital circuits
- Data communication interfaces requiring precise timing
- Embedded systems with low power constraints
Procurement Notes
Verify the specific suffix PD against official Mercury Electronics documentation to confirm exact electrical tolerances and packaging specifications. Ensure compatibility with 1.8V logic levels in the target design. Cross-reference the 4-SMD no-lead footprint dimensions with PCB layout guidelines to prevent mounting errors.
Selection Notes
Choose this model when a fixed 84.7193 MHz clock source is required with low voltage operation. Consider the LVCMOS output compatibility with downstream logic families. Evaluate the need for standby functionality if power efficiency is critical. Confirm that the 4-SMD package fits within the available board space constraints.
Part Context
This part belongs to the Mercury Electronics XO series, which provides stable frequency references for electronic systems. The manufacturer specializes in quartz-based frequency control products, including crystals and oscillators. This specific model represents a standard output variant designed for general-purpose timing applications in consumer and industrial electronics.
Replacement Considerations
Consult official Mercury Electronics substitution guides for compatible alternatives. Verify pinout and voltage compatibility before replacing. No public substitute part numbers are confirmed in the provided data.
