4081B Quad 2-Input AND Gate

Overview

The 4081B is a monolithic integrated circuit belonging to the HCC/HCF series of CMOS devices. It is a quad 2-input AND gate designed for medium-speed operation, offering reliable performance across a range of supply voltages (5V, 10V, and 15V). The device is characterized by low power consumption, high noise immunity, and compatibility with standard CMOS logic levels. It is available in multiple package options, making it suitable for various applications in digital logic design.

The 4081B meets all requirements of JEDEC Tentative Standard No. 13A, ensuring compliance with industry specifications for "B" series CMOS devices. It is part of a family that includes the HCC4073B (triple 3-input AND gate) and HCC4082B (dual 4-input AND gate), catering to different logic requirements.

Features

• Medium-Speed Operation: Propagation delay times of t_PLH = 85ns (typ.) and t_PHL = 65ns (typ.) at 10V supply voltage.
• Wide Supply Voltage Range: Operates at 5V, 10V, and 15V, with parametric ratings for each.
• Low Power Consumption: Quiescent current specified up to 20V for HCC devices, ensuring energy efficiency.
• Low Input Current: Input current as low as 100nA at 18V and 25°C for HCC devices, minimizing loading effects.
• High Reliability: 100% tested for quiescent current to ensure consistent performance.
• Temperature Range Options: Available in extended (HCC) and intermediate (HCF) temperature ranges for diverse environmental conditions.
• Multiple Package Options: Offered in plastic (EY), ceramic frit seal (F), micro (M1), and plastic chip carrier (C1) packages.

Applications

The 4081B is widely used in digital systems where logical AND operations are required. Key applications include:

• Logic Circuit Design: Used in combinational and sequential logic circuits for signal gating and control.
• Data Processing Systems: Employed in arithmetic logic units (ALUs), multiplexers, and encoders/decoders.
• Industrial Control Systems: Suitable for automation and control logic due to its reliable performance.
• Consumer Electronics: Integrated into devices such as remote controls, timers, and display drivers.
• Communication Systems: Utilized in signal conditioning and protocol handling circuits.

Electrical Characteristics

Absolute Maximum Ratings

• Supply Voltage (V_DD): -0.5V to +20V
• Input Voltage (V_IN): -0.5V to V_DD + 0.5V
• Operating Temperature Range:
  • HCC Series: -55°C to +125°C
  • HCF Series: -40°C to +85°C
• Storage Temperature Range: -65°C to +150°C

DC Electrical Specifications (at V_DD = 10V, T_A = 25°C)

• High-Level Output Voltage (V_OH): 9.95V (min) at I_OH = -0.4mA
• Low-Level Output Voltage (V_OL): 0.05V (max) at I_OL = 0.4mA
• Input Leakage Current (I_IN): ±100nA (max) at V_IN = 18V
• Quiescent Current (I_DD): 1µA (max) at V_DD = 20V

AC Electrical Specifications (at V_DD = 10V, T_A = 25°C)

• Propagation Delay (t_PLH, t_PHL): 85ns (typ.), 65ns (typ.) respectively
• Transition Time (t_TLH, t_THL): 60ns (typ.)
• Input Capacitance (C_IN): 5pF (typ.)

Package Information

The 4081B is available in multiple package configurations to suit different assembly and thermal requirements:

• EY (Plastic Package): Standard DIP (Dual In-line Package) for through-hole mounting.
• F (Ceramic Frit Seal Package): Hermetically sealed ceramic package for high-reliability applications.
• M1 (Micro Package): Compact surface-mount option for space-constrained designs.
• C1 (Plastic Chip Carrier): PLCC (Plastic Leaded Chip Carrier) for surface-mount technology (SMT).

Ordering Information

The device can be ordered using the following part numbers, depending on the package and temperature range:

• HCC4081BF: Ceramic package, extended temperature range (-55°C to +125°C).
• HCF4081BEY: Plastic package, intermediate temperature range (-40°C to +85°C).
• HCC4081BM1: Micro package, extended temperature range.
• HCF4081BC1: Plastic chip carrier, intermediate temperature range.

Conclusion

The 4081B Quad 2-Input AND Gate is a versatile and reliable CMOS logic device, offering a balance of speed, power efficiency, and compatibility with a wide range of digital applications. Its robust electrical characteristics and multiple packaging options make it a preferred choice for designers seeking a high-performance logic gate solution. Whether used in industrial, consumer, or communication systems, the 4081B delivers consistent performance under varying operational conditions.