SIT3373AC-1B9-33NH644.531250
SiTime
SIT3373AC-1B9-33NH644.531250
SiTime
MEMS OSC VCXO 644.53125MHZ
Reference Price (USD)
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$8.97000
500+
$8.8803
1000+
$8.7906
1500+
$8.7009
2000+
$8.6112
2500+
$8.5215
Exquisite packaging
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SIT3373AC-1B9-33NH644.531250
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Product details
SiTime's SIT3373AC-1B9-33NH644.531250 revolutionizes Oscillators performance, specifically engineered for automotive-grade clock distribution networks. This MEMS-based solution delivers unmatched reliability for safety-critical vehicle systems.The MEMS design incorporates shock-resistant MEMS structures that survive 50,000g mechanical stress, exceeding automotive crash standards.This VCXO implements ASIL-D compliant fault detection with <1 s failover time, critical for autonomous driving sensor fusion systems.Operating at 644.53125 MHz with <0.5ps cycle-to-cycle jitter, the oscillator meets stringent requirements for LiDAR time-of-flight measurement.The LVPECL stage features short-circuit protection and load-dump resilience for robust operation in 48V mild hybrid electrical systems.With 3.3V operating range, the device maintains timing accuracy during cold-crank conditions down to 3V.Achieving ±35ppm stability over 15-year vehicle lifespan, the oscillator eliminates the need for periodic calibration in ADAS cameras.The ±160ppm programmability supports dynamic compensation for Doppler effects in vehicle-to-everything communications.Rated for -20°C ~ 70°C operation, the device maintains lock during rapid temperature transitions from engine heat soak.Surface Mount configuration incorporates conductive elastomer gaskets for EMI shielding in electric vehicle powertrains.The 6-SMD, No Lead package features conformal coating compatibility for under-hood installation in combustion engines.With 0.126" L x 0.098" W (3.20mm x 2.50mm) compact footprint, the oscillator fits within space-constrained infotainment head units.The 0.031" (0.80mm) low profile enables installation behind instrument clusters without interfering with airbag deployment.
Product Attributes
- Product Status: Active
- Base Resonator: MEMS
- Type: VCXO
- Frequency: 644.53125 MHz
- Function: -
- Output: LVPECL
- Voltage - Supply: 3.3V
- Frequency Stability: ±35ppm
- Absolute Pull Range (APR): ±160ppm
- Operating Temperature: -20°C ~ 70°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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