SIT3373AC-4E2-33NH644.531250
SiTime
SIT3373AC-4E2-33NH644.531250
SiTime
MEMS OSC VCXO 644.53125MHZ HCSL
Reference Price (USD)
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$13.01000
500+
$12.8799
1000+
$12.7498
1500+
$12.6197
2000+
$12.4896
2500+
$12.3595
Exquisite packaging
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SIT3373AC-4E2-33NH644.531250
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Product details
Designed for mission-critical timing applications, SiTime's SIT3373AC-4E2-33NH644.531250 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 3.3V, 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 ±170ppm programmability supports adaptive clock recovery in coherent optical transmission systems.With -20°C ~ 70°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 Exposed Pad package integrates a copper heat spreader for optimal thermal management in compact mmWave radios.0.276" L x 0.197" W (7.00mm x 5.00mm) dimensions comply with IEEE 1588 boundary clock implementation guidelines for power substation automation.The 0.039" (1.00mm) 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: 3.3V
- Frequency Stability: ±25ppm
- Absolute Pull Range (APR): ±170ppm
- Operating Temperature: -20°C ~ 70°C
- Spread Spectrum Bandwidth: -
- Current - Supply (Max): -
- Ratings: -
- Mounting Type: Surface Mount
- Package / Case: 6-SMD, No Lead Exposed Pad
- Size / Dimension: 0.276" L x 0.197" W (7.00mm x 5.00mm)
- Height - Seated (Max): 0.039" (1.00mm)
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