SN75477PE4

Buffers, Drivers, Receivers, Transceivers Overview

The SN75477PE4 is a dual peripheral driver from the SN75476 through SN75478 series, manufactured by Texas Instruments. It provides NAND logic functionality with two inputs and two outputs in an 8-pin PDIP package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports continuous output currents up to 300 mA. It features high-voltage outputs capable of withstanding breakdown voltages up to 100 V and includes integrated clamp diodes for transient suppression. The component is characterized for operation between 0°C and 70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides NAND logic function with TTL- or MOS-compatible diode-clamped inputs.
• Features high-current and high-voltage outputs suitable for driving inductive loads.
• Includes built-in output clamp diodes for effective transient suppression.
• Constructed with PNP transistor inputs to minimize input current requirements.

Buffers, Drivers, Receivers, Transceivers Applications

• Hammer-driver applications
• Systems requiring high current peripheral drivers
• High voltage switching circuits

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'E4' corresponds to lead-free (NIPDAU) finish and RoHS compliance as indicated in the packaging addendum. Confirm the package type matches the required PCB footprint, specifically the PDIP variant for this part number. Ensure the application environment remains within the specified 0°C to 70°C operating temperature range and that power dissipation limits are respected during design.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select the SN75477PE4 when a NAND logic peripheral driver is required for high-current and high-voltage tasks. This part is distinct from the SN75476 (AND) and SN75478 (OR) variants within the same family. Consider the PDIP package for through-hole mounting needs. Evaluate the 300 mA continuous output capability against load requirements and ensure adequate thermal management for the specified power dissipation ratings.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the SN7547x series of dual peripheral drivers designed for robust industrial and peripheral control applications. The series shares common electrical characteristics and pinouts but differs in internal logic gates. The SN75477PE4 specifically implements NAND logic, offering a specialized solution for systems needing combined high-power driving capabilities with logical inversion functions.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN75477P

Buffers, Drivers, Receivers, Transceivers FAQ

What is the logic function of the SN75477PE4?

The SN75477PE4 provides a NAND logic function for each of its two channels.

Does the SN75477PE4 have latch-up protection?

Yes, the device exhibits no output latch-up even at 55 V after conducting 300 mA.