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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | | |
| 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, 30mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 14-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 14-CDIP (0.300", 7.62mm) |
| ROHS |  |
The SNJ5407J is a hex non-inverting buffer from Texas Instruments, featuring open-collector outputs for high-voltage and high-current applications. It operates from a 4.5V to 5.5V supply and can sink up to 30mA per output. This makes it suitable for driving lamps, relays, and level-shifting circuits in industrial and military systems. The 14-CDIP package ensures durability in harsh environments, with a temperature range of -55°C to 125°C.
- Open-Collector Outputs: Allows external pull-up to higher voltages, enabling level shifting and wired-OR logic.
- High Output Voltage Capability: Can switch loads up to 30V (with external pull-up), expanding application flexibility.
- 30mA Sink Current: Drives relays, lamps, and other loads directly without additional transistors.
- Hex Configuration (6 Channels): Provides multiple buffer channels in a single package, saving board space.
High-Voltage Display Drivers
The SNJ5407J's open-collector outputs can handle up to 30mA and external voltages higher than VCC, making it ideal for driving vacuum fluorescent displays or high-voltage LED arrays.
Relay and Solenoid Drivers
With a 30mA sink capability, this hex buffer can directly drive relays and solenoids in industrial control systems, simplifying interface circuitry.
Level Shifting for Mixed-Voltage Systems
The open-collector outputs allow the SNJ5407J to shift logic levels from 5V to higher voltages (e.g., 12V or 24V) by using appropriate pull-up resistors.
Bus Line Driving with Pull-Ups
In wired-OR bus configurations, the open-collector outputs enable multiple devices to share a common line, with a single pull-up resistor determining the logic-high level.
Lamp Driving in Avionics
For cockpit indicator lamps, this buffer provides the necessary current drive (30mA) and voltage handling, ensuring reliable illumination in critical flight instruments.
Industrial Logic-to-Power Interface
In factory automation, the SNJ5407J can interface 5V logic with 24V industrial loads, providing a robust and simple solution for controlling actuators and sensors.
- Q: What is the logic family of the SNJ5407J?
- A: It is a standard TTL logic device from Texas Instruments, designed for high-voltage open-collector outputs.
- Q: What is the function of this IC?
- A: It is a hex non-inverting buffer, used for driving high-voltage or high-current loads.
- Q: How many channels does it have?
- A: It contains 6 independent buffer channels.
- Q: What is the output type?
- A: The outputs are Open Collector, allowing external pull-up resistors to set the output voltage level.
- Q: What is the operating voltage range?
- A: The device operates from 4.5V to 5.5V.
- Q: What package is it available in?
- A: It is offered in a 14-CDIP (ceramic dual in-line package).
SNJ5407J.pdf
- Q: What is the logic family of the SNJ5407J?
- A: It is a standard TTL logic device from Texas Instruments, designed for high-voltage open-collector outputs.
- Q: What is the function of this IC?
- A: It is a hex non-inverting buffer, used for driving high-voltage or high-current loads.
- Q: How many channels does it have?
- A: It contains 6 independent buffer channels.
- Q: What is the output type?
- A: The outputs are Open Collector, allowing external pull-up resistors to set the output voltage level.
- Q: What is the operating voltage range?
- A: The device operates from 4.5V to 5.5V.
- Q: What package is it available in?
- A: It is offered in a 14-CDIP (ceramic dual in-line package).