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Product Detailed Parameters
- Description：10.0 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：10 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)：21mA
- 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 18QHTF21-10.000-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 10 MHz and utilizes an LVCMOS output interface. The device supports a supply voltage of 1.8V and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6mm, suitable for surface-mount applications.
Feature Summary
- LVCMOS output interface for digital logic compatibility
- Integrated standby mode for power reduction
- Compact 4-SMD no-lead surface mount package
Applications
- Battery-powered portable devices
- Digital signal processing systems
- Communication equipment requiring precise clocking
Procurement Notes
Verify the specific ordering suffix to ensure the correct frequency and voltage configuration match the design requirements. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint corresponds to the PCB layout specifications before finalizing procurement orders.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside a small form factor. The LVCMOS output is appropriate for standard digital interfaces. Consider the power-down feature if system-level power efficiency is a priority. Verify that the 10 MHz frequency meets the timing requirements of the host circuit.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal frequency control products. The manufacturer has decades of experience in producing oscillators and crystals. This series typically offers standard performance levels with various voltage and frequency options available within the same package family.
Replacement Considerations
Direct substitutes include other 10 MHz LVCMOS oscillators in 2.0x1.6mm packages with 1.8V operation. Compatible alternatives must match the pinout and electrical characteristics closely. Cross-reference with similar series from other manufacturers ensuring identical package dimensions and output drive levels.
