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Product Detailed Parameters
- Description：2.5X2.0 LOW EMI CMOS QUARTZ OSCI
- Series：QTM252E
- Mfr：QST
- Package：Tape & Reel (TR)
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：24 MHz
- Function：Enable/Disable
- Output：CMOS (Low EMI)
- Voltage - Supply：1.8V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 125°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：10mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.098" L x 0.079" W (2.50mm x 2.00mm)
- Height - Seated (Max)：0.035" (0.90mm)
- Supplier Device Package：-
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Overview
The QTM252E-24.000MDM-T is a CMOS crystal oscillator manufactured by QST, operating at a nominal frequency of 24.000 MHz. It features a standard output waveform and supports an enable/disable control function via a 1.8V supply voltage. The device is housed in a compact 4-SMD, No Lead surface-mount package with dimensions of 2.5x2.0x0.8 mm. It offers low electromagnetic interference characteristics and operates within a temperature range of -40°C to +125°C, with a maximum supply current of 10mA.
Feature Summary
- CMOS output waveform for digital logic compatibility
- Low EMI design to reduce signal noise
- Integrated enable/disable control pin
- Wide industrial temperature rating
Applications
- High-speed data communication interfaces
- Embedded system clock sources
- Consumer electronics timing references
- Industrial control equipment
Procurement Notes
Verify the specific suffix 'MDM' against the manufacturer's latest datasheet to confirm pinout and electrical specifications. Ensure the required operating temperature range aligns with the -40°C to +125°C specification. Confirm that the 1.8V supply voltage matches your system design before procurement.
Selection Notes
Select this component when a precise 24 MHz reference is required for CMOS-compatible circuits. Consider the 4-SMD package size for space-constrained layouts. Verify that the 10mA max current draw fits within your power budget. Ensure the enable/disable functionality meets system power management requirements.
Part Context
This part belongs to QST's SMD oscillator family, designed for general-purpose timing applications. It complements other variants in the QTM252 series which may offer different frequencies or voltage levels. The 24 MHz frequency is commonly used in USB and serial communication protocols requiring stable clock signals.
Replacement Considerations
Direct substitutes include other 24 MHz CMOS oscillators in the same 4-SMD package from manufacturers like TXC or Epson. Verify equivalent parameters such as load capacitance, drive level, and stability before substitution. Cross-reference pin assignments to ensure compatibility.
