इसी प्रकार केSM820

• SM820
  • 5 V, +/-100 ppm, ECL crystal clock oscillator
• SM821
  • 5 V, +/-50 ppm, ECL crystal clock oscillator
• SM827
  • 5 V, +/-25 ppm, ECL crystal clock oscillator
• SM82A
  • 5 V, +/-20 ppm, ECL crystal clock oscillator
• SM82C
  • 5 V, +/-100 ppm, ECL crystal clock oscillator