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UPD74HC161C Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UPD74HC161CNEC280Yes

UPD74HC161C** is a high-speed CMOS 4-bit synchronous binary counter manufactured by **NEC**.

The UPD74HC161C is a high-speed CMOS 4-bit synchronous binary counter manufactured by NEC.

Specifications:

  • Logic Family: 74HC (High-Speed CMOS)
  • Function: 4-bit synchronous binary counter
  • Operating Voltage: 2V to 6V
  • High-Speed Operation: Typical propagation delay of 13 ns at 5V
  • Synchronous Counting: All flip-flops are clocked simultaneously
  • Asynchronous Master Reset: Clears all outputs to LOW
  • Parallel Load Capability: Allows presetting the counter
  • Output Current: ±4 mA (at 4.5V supply)
  • Package Type: DIP-16 (Dual In-line Package)
  • Operating Temperature Range: -40°C to +85°C

Features:

  • Synchronous Operation: Eliminates counting errors due to ripple effects
  • Low Power Consumption: CMOS technology ensures minimal power usage
  • Wide Operating Voltage Range: Compatible with TTL levels
  • Direct Clear Function: Asynchronous reset for immediate counter clearing
  • Parallel Data Loading: Enables preset values via parallel inputs

This IC is commonly used in digital counting applications, frequency division, and sequential logic circuits.

Would you like additional details on pin configurations or timing diagrams?

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