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D4027BC Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
D4027BCNEC175Yes

NEC D4027BC** is a **4-bit full adder with fast carry** integrated circuit (IC) designed for arithmetic operations in digital systems.

The NEC D4027BC is a 4-bit full adder with fast carry integrated circuit (IC) designed for arithmetic operations in digital systems.

Manufacturer: NEC (Nippon Electric Company)

Specifications:

  • Function: 4-bit binary full adder with fast carry
  • Logic Family: TTL (Transistor-Transistor Logic)
  • Supply Voltage (Vcc): 4.75V to 5.25V (standard 5V operation)
  • Power Consumption: Typically 50mW
  • Propagation Delay (Carry): ~15ns (fast carry generation)
  • Operating Temperature Range: 0°C to +70°C (commercial grade)
  • Package Type: 16-pin DIP (Dual In-line Package)

Descriptions:

  • Performs 4-bit parallel addition with carry-in and carry-out.
  • Includes look-ahead carry for high-speed arithmetic operations.
  • Compatible with standard TTL logic levels (input/output).

Features:

  • High-speed operation due to fast carry propagation.
  • Wide operating voltage range (compatible with 5V systems).
  • Low power consumption for TTL logic.
  • Standard pinout for easy integration into digital circuits.

This IC was commonly used in early computers, calculators, and arithmetic logic units (ALUs). For exact timing and electrical characteristics, refer to the original NEC datasheet.

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