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TC74HC393AP Datasheet Dual Binary Counter

Manufacturer: Toshiba

Overview: TC74HC393AP/AF TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HC393AP, TC74HC393AF Dual Binary Counter The TC74HC393A is a high speed CMOS 4-BIT BINARY COUNTER fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. It contains two independent counter circuits in one package, so that counting or frequency division of eight binary bits can be achieved with one IC. This device changes state on the negative going transition of the CK pulse. The counter can be reset to “0” (QA to QD = “L”) by a high at the CLR input regardless of other inputs. All inputs are equipped with protection circuits against static discharge or transient excess voltage.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • High speed: fmax = 72 MHz (typ. ) at VCC = 5 V.
  • Low power dissipation: ICC = 4 μA (max) at Ta = 25°C.
  • High noise immunity: VNIH = VNIL = 28% VCC (min).
  • Output drive capability: 10 LSTTL loads.
  • S.

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