HD74HC21P (74HC21N)
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The HD74HC21P (74HC21N) is a high-speed CMOS dual 4-input AND gate integrated circuit. It offers high noise immunity and low power consumption, making it suitable for a wide range of digital applications. The device features two independent 4-input AND gates and is designed for use in various logic applications requiring high-speed data processing and low power dissipation.
Key Features:
- High-speed CMOS technology
- Low power consumption
- High noise immunity
- Wide operating voltage range: 2V to 6V
- Two independent 4-input AND gates
- Low input current
- Standardized symmetrical output characteristics
- Compatible with TTL logic levels
- Package Type: 14-DIP
- Supply Voltage (Vcc): 2V to 6V
- Input Voltage (VI): 0V to Vcc
- Output Voltage (VO): 0V to Vcc
- Input Leakage Current: ±1µA
- Quiescent Supply Current (ICC): 1µA (max) at Vcc = 6V
- Propagation Delay Time: 20 ns (typical) at Vcc = 5V
- Operating Temperature Range: -40°C to +85°C
- Dimensions: 19.3 mm x 6.5 mm x 4.8 mm
- Weight: 1.2 g
- Digital Logic Circuits: Used in creating various logic functions in digital circuits.
- Data Processing: Suitable for high-speed data processing applications.
- Signal Control: Ideal for controlling digital signals in embedded systems.
- Industrial Automation: Used in control systems for industrial applications.
- Communication Systems: Suitable for use in digital communication circuits.
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment