Description
The 74LS06 is a monolithic hex inverter buffer featuring high-voltage open-collector outputs. Unlike standard logic gates that provide both source and sink current, the open-collector output only sinks current. This design makes the IC exceptionally versatile, allowing it to interface with high-level circuits (such as MOS logic) or drive high-current loads like relays, lamps, or indicator LEDs that require voltages higher than the 5V logic supply.
With a rated output voltage of 30V, it is a robust choice for level-shifting applications where the output needs to pull a line to a voltage significantly higher than the chip’s own VCC.
Note: Product images are shown for reference only. For complete electrical characteristics, including maximum sink current and collector-emitter breakdown voltage specifications, please refer to the datasheet available in the Attachment section.
Features
- Hex (6) independent inverters
- Open-collector outputs rated up to 30V
- High-current sink capability for driving external loads
- Compatible with TTL inputs
- Standard DIP-14 through-hole package
Benefits
- Flexible Level Shifting: Easily interfaces 5V TTL logic with higher-voltage systems (up to 30V).
- Load Driving: Capable of directly driving indicators, relays, or other high-current peripherals.
- Wired-OR Capability: Open-collector outputs can be tied together (with a common pull-up resistor) to implement “Wired-OR” logic functions.
Applications
- Logic Level Translation: Bridging TTL and MOS voltage domains.
- High-Current Driver: Controlling relays, solenoids, or small lamps.
- Wired-OR Logic: Implementing complex bus control logic.
- Buffer/Driver: Increasing signal drive capability for long PCB traces.
Package Includes
- 1 x 74LS06 Hex Inverter Buffer IC (DIP-14 Package)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | 74LS06 |
| Device Type | Hex Inverter Buffer (Open-Collector) |
| Logic Family | 74LS (Low-Power Schottky TTL) |
| Supply Voltage Range | 4.75V to 5.25V |
| Max Output Voltage | 30V |
| Operating Temperature | 0°C to 70°C |
| Package / Case | DIP-14 |
| Mounting Type | Through-Hole |









