STDX32.768

Features

  • High frequency stability
  • Low supply voltage and Low power consumption available
  • High reliability
  • Applications : Suitable for cell phone, base station, GPS and mobile radio application, Radio

Standard Specification

specification
Model
Item
STDX32.768
Frequency 32.768MHz
Frequency Tolerance (@25°C) -1.5 Min/ppm  +1.5 Max/ppm
Supply voltage 3.3V
Operating Temp. Range -40℃ ~ +85℃
Storage Temp. Range -40℃ ~ +85℃
Output Waveform HCMOS
Output Load 15 pF
Power Supply Current ( Icc ) 1.37 μA
Timing error over time ± 0.432 sec/day ; ± 12.960 sec/month
± 2.628 minutes / year, w.r.t fo at +25°C.
Supply Voltage Variation
( △VDD )
0.25 V ( max.) Condition
△V / △t = 1 V / us
Output Voltage Level (VOH) VDD-0.4V(min.); IOH=-0.1mA,all VDD range
Output Voltage Level (VOL) 0.4V( max.) ;IOL=- 0.1 mA , all VDD range
Frequency Stability vs. Temp -5.0 Min. /ppm +5.0 Max. /ppm
vs Supply Voltage (±5%) -0.2 Min. /ppm +0.2 Max. /ppm
vs. Load (±10%) -0.2 Min. /ppm +0.2 Max. /ppm
vs. Aging -1.0 Min. /ppm +1.0 Max. /ppm
Duty Cycle 40% ~ 60%
Start-Up Time 1 sec. ( max.) at +25°C
3 sec. ( max .) over -40°C to +85°C
Rise Time and Fall Time 100 nano. sec. max. Measured at 20% ←→ 80% of the waveform , 15 pF load.
Pad 1 OE Thresholds Vih = 0.8 * VDD , Vil = 0.2 * VDD

Dimensions[mm]

Measurement Circult