इसी प्रकार केSM399

• SM391
  • 5 V,+/-50 ppm, CMOS crystal clock oscillator
• SM397
  • 5 V,+/-25 ppm, CMOS crystal clock oscillator
• SM399
  • "5 V,customer specific, CMOS crystal clock oscillator"
• SM39A
  • 5 V,+/-20 ppm, CMOS crystal clock oscillator
• SM39B
  • 5 V,+/-50 ppm, CMOS crystal clock oscillator