SN74AHC08D Description
The SN74AHC08D from Texas Instruments is a high-performance quad 2-input AND gate IC in the 74AHC series, designed for surface-mount applications. Packaged in a 14-pin SOIC tube, it operates over a wide voltage range (2V to 5.5V), making it versatile for mixed-voltage systems. With a maximum propagation delay of 7.9ns at 5V and 50pF load, it ensures fast signal processing, while its low quiescent current (2µA max) enhances power efficiency. The device is RoHS3 compliant and REACH unaffected, meeting stringent environmental standards.
SN74AHC08D Features
- Logic Type: Quad 2-input AND gate with 4 independent circuits.
- High-Speed Performance: 7.9ns propagation delay at 5V, ideal for timing-critical designs.
- Wide Voltage Range: Supports 2V to 5.5V, enabling compatibility with TTL and CMOS logic levels.
- Low Power Consumption: Quiescent current ≤2µA minimizes energy usage in battery-operated devices.
- Robust I/O Capability: 8mA output drive (high/low) ensures strong signal integrity.
- Input Flexibility: Low-level input (0.5V–1.65V) and high-level input (1.5V–3.85V) thresholds for reliable noise immunity.
- Reliable Packaging: MSL 1 (Unlimited) moisture sensitivity ensures long shelf life and ease of handling.
SN74AHC08D Applications
- Digital Logic Systems: Used in microcontrollers, FPGAs, and ASICs for signal gating and combinational logic.
- Power-Sensitive Designs: Ideal for portable electronics (e.g., wearables, IoT sensors) due to low quiescent current.
- Industrial Control: Enhances PLC interfaces and motor drivers with its noise-resistant inputs.
- Automotive Electronics: Suitable for infotainment and ADAS systems, leveraging its wide voltage range.
- Signal Conditioning: Acts as a glitch filter or pulse shaper in communication circuits.
Conclusion of SN74AHC08D
The SN74AHC08D stands out for its speed, power efficiency, and broad voltage compatibility, making it a superior choice over basic HC/HCT logic gates. Its 4-channel design reduces board space, while TI’s reliability ensures long-term performance in demanding environments. Whether for consumer electronics, industrial automation, or automotive systems, this AND gate delivers precision, durability, and energy savings.