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Product Detailed Parameters
- Description：83.25 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：83.25 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 18QHTF21-83.250-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 83.25 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- Supports low-power standby operation via power-down control
- Provides stable clock signals using LVCMOS output interface
- Designed for surface-mount integration in space-constrained layouts
Applications
- Digital signal processing systems requiring precise timing references
- Communication equipment utilizing standard clock frequencies
- Embedded controllers needing low-voltage oscillator sources
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply rail is stable and within the specified operating range to ensure reliable oscillator performance. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions exactly to avoid assembly issues.
Selection Notes
Select this component when a standard 83.25 MHz clock source is required with minimal power consumption during idle states. The LVCMOS output is suitable for direct interfacing with digital logic families operating at 1.8V. Consider the small form factor for applications where board real estate is limited.
Part Context
This part belongs to the Mercury Electronics XO series, which includes various standard oscillators with different frequencies and voltage levels. The 18QHTF21 series specifically targets low-voltage applications, offering a balance between performance and power efficiency for modern electronic devices.
Replacement Considerations
Direct substitutes must match the 83.25 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pin compatibility and electrical specifications with alternative manufacturers before substitution.
