The SD74HC04D is a high-speed CMOS hex inverter integrated circuit. It's part of the 74HC series, which is known for its improved performance characteristics compared to the standard 74 series logic devices. This IC contains six independent inverters, each of which performs the logical INVERT function. When the input is high, the output is low, and vice-versa.
Applications
- Simple logic inversion
- Oscillators
- Line drivers
- Clock signal generation
- Signal shaping
- Digital circuits
Features
- High speed operation: tpd = 7ns (typical) at VCC = 5V
- Low power dissipation: ICC = 1μA (maximum) at TA = 25°C
- High noise immunity
- Wide operating voltage range: 2V to 6V
- Fanout of 10 LSTTL loads
- Operating temperature range: -40°C to +85°C
Benefits
- Fast switching speeds suitable for high-frequency applications.
- Minimal power consumption extends battery life in portable devices.
- Robust performance in noisy environments due to high noise immunity.
- Flexible voltage operation allows integration into various systems.
- Compatibility with other TTL and CMOS logic devices.
- Reliable operation in diverse temperature conditions.
Additional Details
The SD74HC04D is commonly available in a SOIC-14 (Small Outline Integrated Circuit) package, which facilitates surface-mount assembly. It is designed to be a drop-in replacement for other 74HC04 devices, ensuring compatibility across different manufacturers. The input pins are protected against electrostatic discharge (ESD), enhancing the device's reliability. The output drive capability is sufficient to drive multiple logic gates, making it versatile for various digital circuit designs. The device's symmetrical output drive ensures balanced rise and fall times, contributing to signal integrity. Proper decoupling capacitors should be used near the power supply pins to minimize noise and ensure stable operation.
