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74HC163A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
74HC163ATOS1862Yes

74HC163A** is a high-speed CMOS 4-bit synchronous binary counter manufactured by **Toshiba (TOS)**.

The 74HC163A is a high-speed CMOS 4-bit synchronous binary counter manufactured by Toshiba (TOS).

Key Specifications:

  • Logic Family: 74HC (High-Speed CMOS)
  • Counter Type: Synchronous, 4-bit binary
  • Operating Voltage: 2V to 6V
  • Clock Frequency: Up to 50 MHz (typical at 5V)
  • Propagation Delay: 15 ns (typical at 5V)
  • Reset Function: Synchronous (active LOW)
  • Parallel Load Capability: Yes (synchronous)
  • Output Drive Capability: Standard CMOS levels
  • Package Options: DIP-16, SOP-16, TSSOP-16
  • Operating Temperature Range: -40°C to +85°C

Descriptions:

The 74HC163A is a synchronous 4-bit binary counter with a synchronous reset and parallel load capability. It counts on the rising edge of the clock signal and can be reset or loaded in sync with the clock.

Features:

  • Synchronous Counting: All flip-flops change state simultaneously.
  • Synchronous Reset: Clears the counter to zero on the next clock edge.
  • Parallel Load: Allows presetting the counter via data inputs.
  • Carry Output: Enables cascading multiple counters.
  • Low Power Consumption: Typical 4 µA quiescent current.
  • Wide Operating Voltage: Compatible with 3.3V and 5V systems.

This IC is commonly used in digital counters, frequency dividers, and timing applications.

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