The TC74HC08AFN(ELF,M) is a Quad 2-Input AND Gate manufactured by Toshiba Semiconductor and Storage. It comprises four independent 2-input AND gates. Each gate performs the Boolean function Y = A · B in positive logic. This device belongs to the High-Speed CMOS (HC) family, combining fast switching speeds with low power consumption. The (ELF,M) suffix indicates specific packaging and handling details, typically related to tape and reel for automated assembly.

Applications

• Logic comparators
• Address decoders
• Control logic circuits
• Data selection
• Arithmetic operations

Features

• High Speed: tpd = 9 ns (typ.) at VCC = 5V
• Low Power Dissipation: ICC = 2 μA (max) at Ta = 25°C
• High Noise Immunity: VNIH = VNIL = 28 % VCC (min)
• Output Drive Capability: 10 LSTTL Loads
• Symmetrical Output Impedance: |IOH| = IOL = 4 mA (min)
• Wide Operating Voltage Range: VCC = 2V to 6V

Benefits

• Faster Processing: High-speed operation reduces propagation delays, leading to improved system performance.
• Energy Efficiency: Low power consumption minimizes energy usage, making it suitable for battery-powered applications.
• Reliable Operation: High noise immunity ensures stable operation even in noisy environments.
• Versatile Interface: Sufficient output drive capability allows for direct interfacing with other logic components.
• Simplified Design: Symmetrical output impedance reduces signal reflections and simplifies signal routing.
• Flexible Power Supply: Wide operating voltage range enables compatibility with various power supply configurations.

Additional Details

The TC74HC08AFN(ELF,M) is packaged in a small outline integrated circuit (SOIC) package suitable for surface mount technology (SMT). The “AFN” designation typically refers to the package type, while (ELF,M) details the tape and reel packaging configuration for automated pick-and-place assembly. The operating temperature range is generally -40°C to +85°C. It is designed to be pin-compatible with standard 74HC08 AND gates, allowing for easy substitution in existing designs.

When implementing this component, ensure that proper decoupling capacitors are used close to the power supply pins to minimize noise and ensure stable operation. Refer to the official Toshiba datasheet for complete electrical characteristics, timing diagrams, and application notes.