STX478 SERIES – 7.0mm x 5.0mm Ceramic Stratum 3 SMT 8 Pad HCMOS TCXO

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STX478 Stratum 3/3E Oscillator- Suntsu Electronics


• Stratum 3
• ±0.28ppm Stabilty
• 12.8MHz
• Tape & Reel
• MSL : Level 3


• Si5348/83/84/88/89 Network Synchronizer Clocks
• Base Stations
• Wireless Applications
• Precision GPS

Part Number Builder

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Part Numbering Guide

Stratum 33E Oscillator SXT478 Part number

Electrical Parameters

Frequency RangeMHz12.800
Frequency Tolerance at +25ºCppm-1.0+1.0
Freq. Stability vs, Op Temp.ppm-0.28+0.28Ref. to Freq. observed with fref=(fmax+fmin)/2
Freq. Stability vs, Supply Voltageppm-0.05+0.05VDD ±5% Change
Freq. Stability vs, Loadppm-0.05+0.05±5% Change
Freq. Stability vs, Aging/Dayppm-0.02-0.02
Freq. Stability vs, Aging/Yearppm-1.0+1.0
Operating Temperature°C-20+75
Storage Temperature°C-55+105
Supply Voltage (VDD)V3.133.33.47
Current (IDD)mA10
Output Load (HCMOS)pF15
Output Logic HIGH Level (VOH)V2.4
Output Logic LOW Level (VOL)V0.4
Rise (TR) And Fall (TF) Timens10
Symmetry (Duty Cycle)%455055
Start-Up Timems2
Phase Noise 10Hz OffsetdBc/Hz-85-80
Phase Noise 100Hz OffsetdBc/Hz-115-110
Phase Noise 1KHz OffsetdBc/Hz-135-130
Phase Noise 10KHz OffsetdBc/Hz-145-140
Phase Noise 100KHz OffsetdBc/Hz-145-140
Phase Noise 1MHz OffsetdBc/Hz-150-145

Outline Drawing & Recommended Landed Pattern

All dimensions are in millimeters (mm) unless otherwise noted. Drawings are not to scale.

Stratum 33E Oscillator SXT478 Outline