Texas Instruments

SN75161BDW

SN75161BDW Description

The SN75161BDW from Texas Instruments is an 8/8-channel half-duplex transceiver designed for IEEE 488 (GPIB) bus applications. Housed in a 20-pin SOIC package, this surface-mount IC operates within a 4.75V to 5.25V supply range and is optimized for industrial and instrumentation systems requiring robust data communication. With a 650 mV receiver hysteresis, it ensures reliable signal integrity in noisy environments. Although marked obsolete, it remains a dependable choice for legacy systems due to its RoHS3 compliance and REACH unaffected status.

SN75161BDW Features

• 8 Drivers/8 Receivers: Supports bidirectional data transfer with high channel density.
• Half-Duplex Operation: Enables efficient bus sharing in IEEE 488 systems.
• 650 mV Hysteresis: Enhances noise immunity for stable performance.
• Wide Operating Temperature (0°C to 70°C): Suitable for industrial environments.
• 5V Supply Compatibility: Integrates seamlessly with TTL logic systems.
• Surface-Mount (SOIC-20): Compact footprint for space-constrained designs.
• RoHS3 Compliant: Meets modern environmental standards despite obsolete status.

SN75161BDW Applications

• GPIB/IEEE 488 Instrumentation: Ideal for automated test equipment (ATE) and lab instruments.
• Industrial Control Systems: Reliable data transmission in noisy factory environments.
• Legacy System Maintenance: Replaces aging components in existing GPIB setups.
• Data Acquisition Systems: Ensures precise signal handling in multi-device configurations.

Conclusion of SN75161BDW

The SN75161BDW excels in high-noise, half-duplex communication scenarios, particularly in GPIB-based systems. Its high hysteresis and robust driver/receiver design make it a resilient choice for industrial and instrumentation applications. While obsolete, its compliance with modern standards ensures continued usability in legacy upgrades. Engineers seeking a proven 5V transceiver for IEEE 488 will find this IC a reliable solution.