SN75C189ANG4

Drivers, Receivers, Transceivers Overview

The SN75C189ANG4 is a quadruple low-power line receiver manufactured by Texas Instruments, designed for RS-232 communication interfaces. It operates on a single 5 V power supply and supports data rates up to 1 Mb/s. The device features four independent receivers with a typical hysteresis of 970 mV to ensure noise immunity. It is housed in a 14-pin PDIP package and functions within an operating temperature range of 0°C to +70°C. The component draws a maximum quiescent current of 700 µA, making it suitable for battery-powered applications requiring efficient power management.

Drivers, Receivers, Transceivers Feature Summary

• Provides four independent low-power line receivers for RS-232 signal conditioning
• Incorporates high noise immunity through significant input hysteresis
• Operates reliably on a standard single 5 V supply voltage
• Supports data transmission speeds up to 1 Mb/s

Drivers, Receivers, Transceivers Applications

• RS-232 serial communication port expansion
• Battery-operated handheld devices requiring low power consumption
• Industrial control systems with noisy environments
• Computer peripheral interface circuits

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix G4 indicates lead-free compliance when sourcing. Confirm the PDIP-14 package type matches the target PCB footprint. Ensure the commercial temperature grade (0°C to +70°C) aligns with the operational environment requirements. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Drivers, Receivers, Transceivers Selection Notes

Select this component when a quad receiver configuration is required without integrated drivers. Compare against the SN75C189ADBR for surface-mount alternatives if space constraints exist. Evaluate the 970 mV hysteresis specification against system noise levels to determine if additional filtering is necessary. Consider the 14-PDIP package dimensions for mechanical clearance during layout.

Drivers, Receivers, Transceivers Part Context

This part belongs to the SN75C189 family of RS-232 interface integrated circuits from Texas Instruments. It serves as the receiving counterpart to driver ICs like the SN75C198. The G4 suffix typically denotes environmental compliance, specifically lead-free manufacturing processes, distinguishing it from older non-compliant variants within the same functional series.

Drivers, Receivers, Transceivers Replacement Considerations

The SN75C189DR offers a surface-mount SOIC-14 alternative with identical electrical characteristics. The SN75C189ADBR provides a compact SSOP-14 option for space-constrained designs. Verify pin compatibility and package dimensions before substituting these variants.