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Product Detailed Parameters
- Description：94.0 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：94 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 18QHTF21-94.000-PD is a 94.0 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The device features a Standby (Power Down) control function to manage power consumption. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- LVCMOS output logic for standard digital interface compatibility
- Integrated standby mode for power management
- Compact surface-mount package design
Applications
- Battery-powered portable devices
- General-purpose timing clock applications
- Digital signal processing systems
Procurement Notes
Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout requirements. Check for any RoHS compliance documentation if required by project specifications.
Selection Notes
Select this component when a precise 94.0 MHz reference is required in space-constrained designs. The low supply current characteristic makes it suitable for energy-efficient applications. Consider the LVCMOS output level compatibility with downstream logic families. Evaluate the thermal performance within the specified operating temperature range for reliability.
Part Context
This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies in a small form factor. The series is designed for general timing needs where size and power efficiency are critical. Other variants in the series share similar electrical characteristics but differ in frequency and potentially package height.
Replacement Considerations
Direct substitutes must match the 94.0 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Verify pinout compatibility and electrical parameters such as jitter and phase noise if applicable.
