SN75477D

Buffers, Drivers, Receivers, Transceivers Overview

The SN75477D is a dual peripheral driver manufactured by Texas Instruments, designed for high-voltage output applications. It operates within a supply voltage range of 4.5V to 5.5V and features a propagation delay of 350 ns. The device is housed in an SOIC-8 surface-mount package with a power dissipation rating of 725 mW. It is characterized for operation between 0°C and +70°C. The component provides non-inverting logic functionality with high-voltage outputs typically rated at 100 V and includes output clamp diodes for transient protection.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Dual peripheral drivers with high-voltage outputs
• Output clamp diodes for transient protection
• No output latch-up at 55 V after conducting 300 mA

Buffers, Drivers, Receivers, Transceivers Applications

• High-voltage peripheral interfacing
• Industrial control systems
• Motor drive circuits

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix to confirm packaging type, as the base part number may correspond to tube or reel variants. Ensure the selected variant matches the required operating temperature range and package style for the target application. Cross-reference the manufacturer datasheet for exact mechanical dimensions and electrical characteristics before finalizing procurement specifications.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when dual-channel high-voltage driving capability is required within standard TTL/CMOS logic levels. Consider the 350 ns propagation delay for timing-sensitive designs. Verify that the load current does not exceed the 300 mA characterization limit to ensure reliable operation without latch-up risks under fault conditions.

Buffers, Drivers, Receivers, Transceivers Part Context

The SN75477D belongs to the SN75477 series of dual peripheral drivers from Texas Instruments. This family is engineered for robust performance in environments requiring isolation between low-voltage logic and high-voltage loads. The device integrates protection features to enhance system reliability in industrial and automotive applications.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN75477DR is a tape-and-reel variant of the same functional device. SN75477DRE4 is the lead-free version of the reel-packaged unit. SN75477DE4 is the lead-free tube-packaged equivalent.