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Product Detailed Parameters
- Description：13.57325 MHz XO 1.8V 2.0X1.6 OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：13.57325 MHz
- Function：Enable/Disable
- 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)：22mA
- 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 18QHTF21-13.57325-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 13.57325 MHz with a frequency stability of 50 ppm. The device utilizes LVCMOS output logic and functions on a 1.8V supply voltage, drawing a maximum current of 22 mA. It features an enable/disable control function and is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- Supports LVCMOS output logic for digital interface compatibility
- Includes enable/disable functionality for power management
- Utilizes a base crystal resonator for frequency generation
Applications
- General-purpose clock signal generation in electronic circuits
- Embedded systems requiring precise timing references
- Digital communication interfaces utilizing standard logic levels
Procurement Notes
Verify the specific suffix 'OE' to confirm the enable/disable feature and RoHS compliance status as documented. Ensure the 1.8V supply voltage aligns with the target system's power rails. Confirm the 4-SMD no-lead package footprint matches the PCB layout requirements before finalizing procurement orders.
Selection Notes
Select this component when a low-profile 2.0x1.6mm oscillator is required for 1.8V logic applications. The 50 ppm stability suits general timing needs rather than high-precision metrology. Consider the enable pin requirement if dynamic power saving is necessary for the design.
Part Context
This part belongs to the QHTF series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequencies and voltages within a standardized small outline package format, designed for space-constrained consumer and industrial electronics.
Replacement Considerations
Direct substitutes include other 13.57325 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify that alternative parts match the 2.0x1.6mm footprint and 50 ppm stability specification to ensure functional equivalence.
