Texas Instruments

SN75ALS160N

SN75ALS160N Description

The SN75ALS160N from Texas Instruments is an 8/8-channel half-duplex transceiver designed for IEEE 488 (GPIB) bus applications. Housed in a 20-pin DIP (Through Hole) package, this device operates within a 4.75V to 5.25V supply range and is optimized for industrial and instrumentation systems requiring robust data communication. Although marked as obsolete, it remains a reliable choice for legacy systems due to its high noise immunity (650 mV receiver hysteresis) and compliance with ROHS3 and REACH environmental standards.

SN75ALS160N Features

• 8 Drivers/8 Receivers: Supports bidirectional data flow with balanced line driving capability.
• Half-Duplex Operation: Enables efficient data transmission and reception on shared lines.
• Wide Hysteresis (650 mV): Enhances noise immunity in electrically noisy environments.
• IEEE 488 Protocol Compliance: Ideal for GPIB bus systems in test/measurement equipment.
• Industrial Temperature Range (0°C to 70°C): Suitable for controlled-environment applications.
• Through-Hole Mounting (DIP): Facilitates easy integration into legacy PCB designs.
• RoHS3 Compliant & REACH Unaffected: Meets modern environmental regulations despite its obsolete status.

SN75ALS160N Applications

• GPIB (IEEE 488) Instrumentation: Connects controllers with programmable test equipment (e.g., oscilloscopes, power supplies).
• Industrial Automation: Used in legacy factory communication systems requiring noise-resistant transceivers.
• Data Acquisition Systems: Interfaces sensors and actuators in environments with moderate EMI.
• Retrofit/Repair Projects: Replaces faulty transceivers in aging electronics without redesign.

Conclusion of SN75ALS160N

The SN75ALS160N excels in noise-critical, half-duplex communication systems, particularly where IEEE 488 compatibility is essential. Its high hysteresis and robust driver/receiver design make it a dependable choice for industrial and lab applications, despite its obsolete status. Engineers maintaining or repairing GPIB-based systems will find this transceiver a cost-effective solution with proven performance. For new designs, consider modern alternatives, but for legacy support, the SN75ALS160N remains a technically sound option.