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Product Detailed Parameters
- Description：1.0752 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：1.0752 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 18QHTF21-1.0752-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.0752 MHz with an LVCMOS output signal. The device supports a supply voltage of 1.8V and features a standby (power down) mode for energy efficiency. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6 mm.
Feature Summary
- Supports low voltage operation at 1.8V
- Includes standby power down functionality
- Utilizes LVCMOS output interface
Applications
- Battery-powered portable devices
- Precision timing applications
- General electronic circuits requiring stable clock signals
Procurement Notes
Verify the specific suffix PD against official Mercury Electronics documentation to confirm the presence of the power-down feature and exact pin configuration. Ensure compatibility with 1.8V logic levels and 4-SMD no-lead footprint requirements during integration.
Selection Notes
Select this component when a low-frequency, low-voltage oscillator with power management capabilities is required. Consider the 2.0x1.6 mm package size for space-constrained designs. Confirm that LVCMOS output swing meets downstream circuit input thresholds.
Part Context
This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and supply voltages, with the PD suffix typically indicating power-down capability. It serves as a precise timebase source for digital systems.
Replacement Considerations
Direct substitutes include other 18QHTF21 variants with matching 1.0752 MHz frequency and 1.8V supply, such as those from Mercury United Electronics, provided the pinout and package dimensions are identical.
