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M74HC390 - DUAL DECADE COUNTER

Description

ObThe M74HC390 is an high speed CMOS dual -decade counter fabricated with silicon gate )C2MOS technology.

t(sThis dual decade counter contains two ucindependent ripple carry counters.

Each counter dis composed of a divide by two and divide by five rocounter.

Features

  • HIgh Speed: fMAX = 79MHz (Typ. ) at VCC = 6V.
  • Low power dissipation: )ICC = 4µA (Max. ) at TA = 25°C t(s.
  • High noise immunity: cVNIH = VNIL = 28 % VCC (Min. ) du.
  • Balanced propagation delays: rotPLH ≅ tPHL P.
  • Wide operating voltage range: teVCC (Opr) = 2V to 6V le.
  • Pin and function compatible with 74 series 390 so.

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M74HC390 Dual decade counter Features ■ HIgh Speed: fMAX = 79MHz (Typ.) at VCC = 6V ■ Low power dissipation: )ICC = 4µA (Max.) at TA = 25°C t(s■ High noise immunity: cVNIH = VNIL = 28 % VCC (Min.) du■ Balanced propagation delays: rotPLH ≅ tPHL P■ Wide operating voltage range: teVCC (Opr) = 2V to 6V le■ Pin and function compatible with 74 series 390 soDescription ObThe M74HC390 is an high speed CMOS dual -decade counter fabricated with silicon gate )C2MOS technology. t(sThis dual decade counter contains two ucindependent ripple carry counters. Each counter dis composed of a divide by two and divide by five rocounter. The divide by two and divide by five Pcounters can be cascaded to form dual decade, dual biquinary, or various combination up to a Obsoletesingle divide by 100 counter.
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