इसी प्रकार केSM2921

• SM2920
  • 5 V, +/-100 ppm, differential positive ECL crystal clock oscillator
• SM2921
  • 5 V, +/-50 ppm, differential positive ECL crystal clock oscillator
• SM2927
  • "5 V, +/-25 ppm, differential positive ECL crystal clock oscillator"
• SM2929
  • 5 V, customer specific, differential positive ECL crystal clock oscillator
• SM292A
  • 5 V, +/-20 ppm, differential positive ECL crystal clock oscillator
• SM292B
  • 5 V, +/-50 ppm, differential positive ECL crystal clock oscillator
• SM292C
  • 5 V, +/-100 ppm, differential positive ECL crystal clock oscillator