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M74HC390

ST Microelectronics
Part Number M74HC390
Manufacturer ST Microelectronics
Description DUAL DECADE COUNTER
Published May 6, 2005
Detailed Description M74HC390 Dual decade counter Features ■ HIgh Speed: fMAX = 79MHz (Typ.) at VCC = 6V ■ Low power dissipation: )ICC = ...
Datasheet PDF File M74HC390 PDF File

M74HC390
M74HC390

Overview
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 d...


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