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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74LS |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 15mA, 24mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PDIP |
| ROHS |  |
The SN74LS623N is a non-inverting transceiver from Texas Instruments, belonging to the 74LS logic family. It provides a single channel with 3-State outputs for bidirectional bus communication. Operating from a 4.75V to 5.25V supply, it is fully compatible with standard 5V TTL systems. With output currents of 15mA and 24mA, it can drive typical TTL loads effectively. The 20-DIP package makes it ideal for through-hole mounting and prototyping. This transceiver is well-suited for legacy 5V bus interfacing, data acquisition, and educational projects.
- Standard 5V TTL Compatibility: Operates from 4.75V to 5.25V, ensuring seamless integration with existing 5V logic systems.
- 3-State Outputs: Enables bus sharing and isolation, preventing data conflicts in multi-device systems.
- DIP Package: Facilitates easy prototyping and through-hole PCB assembly, ideal for educational and hobbyist use.
- Proven 74LS Technology: Offers a reliable and well-understood logic family with predictable performance.
Legacy 5V TTL Bus Interfacing
The SN74LS623N is designed for 5V TTL systems, making it perfect for interfacing with legacy microprocessors and peripherals in industrial control systems that still operate at 5V logic levels.
Data Acquisition Systems
Its 3-State outputs and bidirectional capability allow for efficient data transfer between analog-to-digital converters and microcontrollers in data acquisition systems, ensuring accurate signal routing.
Educational and Prototyping Platforms
The DIP package is ideal for breadboarding and educational purposes, allowing students and engineers to easily prototype 5V bus communication circuits.
Peripheral Device Controllers
It can be used to buffer and drive control signals to printers, scanners, and other peripheral devices that require 5V TTL-compatible interfaces.
Simple Bidirectional Data Links
For applications requiring a simple, reliable bidirectional data link between two 5V logic systems, this transceiver provides a straightforward solution with its non-inverting function.
Test and Measurement Equipment
In bench-top test equipment, the SN74LS623N can route signals between different test modules, providing a robust and reliable interface for 5V logic signals.
- Q: What logic family is the SN74LS623N?
- A: It is part of the 74LS (Low-Power Schottky) logic family, known for its balance of speed and power consumption.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel, designed for bidirectional data transmission.
- Q: What is the output type?
- A: It has 3-State outputs, allowing multiple devices to share a common bus.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, making it compatible with standard 5V TTL logic systems.
- Q: What is the package type?
- A: It is available in a 20-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.
- Q: What is the output current capability?
- A: It can source/sink 15mA and 24mA, providing adequate drive for standard TTL loads.
SN74LS623N.pdf
- Q: What logic family is the SN74LS623N?
- A: It is part of the 74LS (Low-Power Schottky) logic family, known for its balance of speed and power consumption.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel, designed for bidirectional data transmission.
- Q: What is the output type?
- A: It has 3-State outputs, allowing multiple devices to share a common bus.
- Q: What is the operating voltage range?
- A: It operates from 4.75V to 5.25V, making it compatible with standard 5V TTL logic systems.
- Q: What is the package type?
- A: It is available in a 20-DIP (0.300", 7.62mm) package, suitable for through-hole mounting.
- Q: What is the output current capability?
- A: It can source/sink 15mA and 24mA, providing adequate drive for standard TTL loads.