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Binary Up/Down Counter with Clear IC - 74HC193

Binary Up/Down Counter with Clear IC - 74HC193

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  • Low Power 95 mW Typical Dissipation 
  • High Speed 40 MHz Typical Count Frequency 
  • Synchronous Counting 
  • Asynchronous Master Reset and Parallel Load 
  • Individual Preset Inputs
  • Cascading Circuitry Internally Provided 
  • Input Clamp Diodes Limit High Speed Termination Effects

Binary Up/Down Counter with Clear IC - 74HC193

The 74HC Series 74HC193 is a UP/DOWN DIP-16 Binary Counter. Separate Count Up and Count Down Clocks are used and in either counting mode, the circuits operate synchronously. The outputs change state synchronously with the LOW-to-HIGH transitions on the clock inputs. Separate Terminal Count Up and Terminal Count Down outputs are provided which are used as the clocks for a subsequent stage without extra logic, thus simplifying multistage counter designs. Individual preset inputs allow the circuits to be used as programmable counters. Both the Parallel Load (PL) and the Master Reset (MR) inputs asynchronously override the clocks.

check out : Presettable synchronous BCD decade counter IC - 74HC160


Pinout Of 74HC193 IC


  • Counters

check out : Decade Up/Down Counter with Clear IC - 74HC192

Package Includes:

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Counter Type Binary
Logic Family HC
Number of Bits 4 bit
Counting Sequence Up/Down
Output Current +/- 5.2 mA
Operating Supply Voltage 2V ~ 6V
Operating Temperature Range -40 ~ +85°C
Mounting Style Through Hole
Weight 1g

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1.What is 74hc193 ic?

  • The 74HC193 is a synchronous binary up/down counter with four bits. It includes independent up/down clocks for the CPU and CPD, which simplifies operation. The outputs change state synchronously with either clock input's LOW-to-HIGH transition.

2.What is the difference between synchronous and asynchronous counters?

  • The main difference between synchronous and asynchronous counters is how they are clocked. All flip-flops in a synchronous counter are simultaneously triggered by the same clock signal. In contrast, separate flip-flops in an asynchronous counter are activated with distinct clocks, not simultaneously.