SIT3373AI-4B2-28NG644.531250
SiTime
SIT3373AI-4B2-28NG644.531250
SiTime
MEMS OSC VCXO 644.53125MHZ HCSL
Reference Price (USD)
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$11.00000
500+
$10.89
1000+
$10.78
1500+
$10.67
2000+
$10.56
2500+
$10.45
Exquisite packaging
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SIT3373AI-4B2-28NG644.531250
$11.00
Product details
Designed for mission-critical timing applications, SiTime's SIT3373AI-4B2-28NG644.531250 redefines performance standards in the Oscillators market segment. This crystal-based solution delivers industry-leading phase noise performance for advanced telecommunications infrastructure.The MEMS implementation features proprietary stress-relief packaging that improves MTBF by 30% over conventional designs in base station applications.This VCXO incorporates a digital control interface that enables 0.1ppm frequency resolution for software-defined test equipment calibration.Supporting 644.53125 MHz operation with <-150dBc/Hz phase noise at 1MHz offset, the oscillator meets 6G research prototype requirements.The HCSL driver stage implements active impedance matching, eliminating the need for external termination in high-speed backplane designs.Operating from 2.8V, the device includes built-in power sequencing for safe startup in multi-rail server motherboards.Achieving ±25ppm stability with 0.01ppb/day aging rate, the oscillator serves as primary reference in atomic clock systems.The ±120ppm programmability supports adaptive clock recovery in coherent optical transmission systems.With -40°C ~ 85°C operational range, the device maintains frequency lock during rapid thermal cycling in semiconductor test handlers.Surface Mount configuration features reinforced solder joints that survive 5,000 thermal cycles in solar inverter applications.The 6-SMD, No Lead package integrates a copper heat spreader for optimal thermal management in compact mmWave radios.0.126" L x 0.098" W (3.20mm x 2.50mm) dimensions comply with IEEE 1588 boundary clock implementation guidelines for power substation automation.The 0.031" (0.80mm) low-profile design enables stacking in high-density server timing cards.
Product Attributes
- Product Status: Active
- Base Resonator: MEMS
- Type: VCXO
- Frequency: 644.53125 MHz
- Function: -
- Output: HCSL
- Voltage - Supply: 2.8V
- Frequency Stability: ±25ppm
- Absolute Pull Range (APR): ±120ppm
- Operating Temperature: -40°C ~ 85°C
- Spread Spectrum Bandwidth: -
- Current - Supply (Max): -
- Ratings: -
- Mounting Type: Surface Mount
- Package / Case: 6-SMD, No Lead
- Size / Dimension: 0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height - Seated (Max): 0.031" (0.80mm)
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