产品介绍

M74HC4020 Decade Counter/Divider

The M74HC4020 is an high speed CMOS 14 STAGE BINARY COUNTER fabricated with silicon gate C2MOS technology.

A clear input is used to reset the counter to the all low level state. A high level on CLEAR accomplishes the reset function. A negative transition on the CLOCK input increments the counter by one.

For M74HC4020 twelve kind of divided output are provided; 1st and 4th stage to 14th stage.

The maximum division available at last stage is 1/16384 x fIN at clock.

All inputs are equipped with protection circuits against static discharge and transient excess voltage

技术特性

• High speed:
  • fMAX = 70MHz. (TYP.) at VCC= 6V
• Low power dissipation:
  • ICC= 4µA(MAX.) at TA=25°C
• High noise immunity:
  • VNIH= VNIL= 28 % VCC (MIN.)
• Symmetrical output impedance:
  • |IOH| = IOL= 4mA (MIN)
• Balanced propagation delays:
  • tPLH tPHL
• Wide operating voltage range:
  • VCC(OPR) = 2V to 6V
• Pin and function compatible with 74 series 4020

M74HC4020 订购信息

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