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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | 7416 |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Inverting |
| Number of Elements | 6 |
| Number of Bits per Element | 1 |
| Input Type | - |
| Output Type | Open Collector |
| Current - Output High, Low | -, 40mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 14-DIP (0.300", 7.62mm) |
| Supplier Device Package | 14-PDIP |
The 7416PC from National Semiconductor is a classic hex inverting buffer from the 7416 TTL logic family. It features six independent channels with open-collector outputs, capable of sinking up to 40mA. Operating at a standard 5V supply (4.75V-5.25V), it is designed for legacy TTL systems. The 14-DIP package makes it easy to integrate into through-hole PCB designs. Typical applications include driving LEDs, relays, and level shifting in industrial and retro-computing environments.
- Open-Collector Outputs: Allows connection to higher-voltage loads and enables wired-OR logic configurations.
- High 40mA Sink Current: Can directly drive LEDs, relays, and other low-power loads.
- 6 Independent Channels: Provides multiple buffering/inverting functions in a single package.
- Standard TTL 5V Operation: Compatible with legacy 5V logic systems.
- Through-Hole DIP Package: Easy to prototype and integrate into traditional PCB designs.
Interfacing with High-Voltage Loads
The open-collector output allows the 7416PC to switch loads connected to higher voltages (up to the transistor's breakdown limit), making it useful for driving relays, lamps, or other peripherals in industrial control systems.
Level Shifting from TTL to Other Logic Families
By using appropriate pull-up resistors, the open-collector output can be pulled up to different voltage levels (e.g., 12V or 15V), enabling level shifting from 5V TTL logic to other logic families or analog circuits.
Driving LED Displays and Indicators
The 40mA sink capability is well-suited for directly driving LEDs or seven-segment displays, simplifying the design of indicator panels and status lights.
Wired-OR Logic Implementation
Multiple open-collector outputs can be connected together to form a wired-OR configuration, allowing multiple signals to share a common line without damaging the ICs.
Legacy TTL System Interfacing
In retro computing or legacy industrial equipment, the 7416PC serves as a reliable interface for signal inversion and buffering in 5V TTL-based systems.
Relay and Solenoid Drivers
With an external transistor or directly (for small relays), the open-collector output can switch inductive loads, making it suitable for automation and control applications.
- Q: What is the logic family of the 7416PC?
- A: It belongs to the 7416 TTL logic family, a classic bipolar logic series.
- Q: What is the function of this IC?
- A: It is a hex (6-channel) inverting buffer, meaning it inverts the input signal while providing buffering.
- Q: How many channels does it have?
- A: It contains 6 independent inverting buffer channels in a single 14-pin DIP package.
- Q: What is the output type?
- A: The outputs are Open Collector, requiring external pull-up resistors for proper logic high levels.
- Q: What is the operating voltage range?
- A: It operates at a standard TTL supply voltage of 4.75V to 5.25V.
- Q: What package is available?
- A: It is available in a 14-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.
7416PC.pdf
- Q: What is the logic family of the 7416PC?
- A: It belongs to the 7416 TTL logic family, a classic bipolar logic series.
- Q: What is the function of this IC?
- A: It is a hex (6-channel) inverting buffer, meaning it inverts the input signal while providing buffering.
- Q: How many channels does it have?
- A: It contains 6 independent inverting buffer channels in a single 14-pin DIP package.
- Q: What is the output type?
- A: The outputs are Open Collector, requiring external pull-up resistors for proper logic high levels.
- Q: What is the operating voltage range?
- A: It operates at a standard TTL supply voltage of 4.75V to 5.25V.
- Q: What package is available?
- A: It is available in a 14-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.