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Product Detailed Parameters
- Description：6.312 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：6.312 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 18QHTF21-6.312-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 6.312 MHz and utilizes an LVCMOS output signal format. The device functions with a supply voltage of 1.8V and includes a standby power-down control feature. It is housed in a compact 4-SMD, no-lead package, designed for surface-mount applications.
Feature Summary
- LVCMOS output interface
- Standby power-down control
- Compact SMD package
Applications
- Portable electronic devices
- Battery-powered equipment
- General digital timing circuits
Procurement Notes
Verify the specific ordering suffix to ensure the correct control function. The PD suffix indicates a Standby (Power Down) capability, distinct from OE (Enable/Disable) variants. Confirm the package type and voltage requirements match the target design specifications before finalizing procurement orders.
Selection Notes
Select this component when a low-voltage 1.8V operation is required alongside a power-saving standby mode. Ensure the application necessitates the specific 6.312 MHz frequency. Compare against OE variants if active enable/disable logic is preferred over simple power-down states.
Part Context
Mercury Electronic Ind. Co., Ltd. specializes in frequency-control products including quartz crystals and oscillators. This part belongs to their XO series, offering standard timing solutions. The manufacturer has a history of producing quartz components since 1973.
Replacement Considerations
Check for other suffixes such as OE which may offer Enable/Disable functionality instead of Standby. Verify that alternative parts maintain the same 1.8V supply and LVCMOS output characteristics.
