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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 6 |
| Number of Bits per Element | 1 |
| Input Type | - |
| Output Type | Open Collector |
| Current - Output High, Low | 250µA, 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-DIP (0.300", 7.62mm) |
| ROHS |  |
The SN7407NE4 from Texas Instruments is a classic hex buffer with open-collector outputs, designed for 5V TTL systems. It features six non-inverting channels, each capable of sinking 40mA and withstanding up to 30V at the output. This makes it an excellent choice for driving high-voltage loads, level shifting, and implementing wire-AND logic. The 14-DIP package is easy to use in through-hole PCB designs.
- Open-Collector Outputs: Allows interfacing with high-voltage loads (up to 30V) and wire-AND logic.
- High Sink Current (40mA): Can directly drive LEDs, relays, and other loads.
- 6 Channels in One Package: Saves board space and simplifies design.
- Standard 5V TTL Operation: Compatible with legacy 5V systems.
Interfacing with High-Voltage Loads
The open-collector output allows the SN7407NE4 to switch loads up to 30V, making it ideal for driving relays, lamps, and other high-voltage peripherals from a 5V logic signal.
Level Shifting to Higher Voltages
By connecting the pull-up resistor to a higher voltage rail (e.g., 12V or 24V), this buffer can shift 5V logic signals to higher voltage levels for industrial control systems.
Driving LED Displays and Indicators
With a 40mA sink capability, it can directly drive multiple LEDs or seven-segment displays, simplifying interface circuitry in panel meters and control panels.
Bus Line Driving with Wire-AND Logic
Open-collector outputs can be tied together to implement wire-AND logic, useful in interrupt lines or shared bus systems where multiple devices need to assert a common signal.
Legacy 5V System Buffering
In older 5V TTL systems, this buffer provides the necessary fan-out and drive strength to interface with multiple TTL loads without degradation.
Automotive and Industrial Control
Its robust open-collector design is suitable for automotive ECUs and industrial controllers, where interfacing with solenoids, valves, and other inductive loads is required.
- Q: What is the logic family of the SN7407NE4?
- A: It is a standard TTL logic device from Texas Instruments.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with an open-collector output.
- Q: How many channels does it have?
- A: It has 6 channels.
- Q: What is the output type?
- A: The output is open-collector, requiring an external pull-up resistor.
- Q: What is the operating voltage range?
- A: It operates at a standard 5V supply (4.75V to 5.25V).
- Q: What package is it available in?
- A: It comes in a 14-DIP package.
SN7407NE4.pdf
- Q: What is the logic family of the SN7407NE4?
- A: It is a standard TTL logic device from Texas Instruments.
- Q: What is the function of this IC?
- A: It is a non-inverting buffer with an open-collector output.
- Q: How many channels does it have?
- A: It has 6 channels.
- Q: What is the output type?
- A: The output is open-collector, requiring an external pull-up resistor.
- Q: What is the operating voltage range?
- A: It operates at a standard 5V supply (4.75V to 5.25V).
- Q: What package is it available in?
- A: It comes in a 14-DIP package.